摘要：解析：泛指“上午、下午、晚上”用介词“in”，“in the morning”为固定搭配，故选A。

小升初时间介词辨析易错陷阱选择填空专练（50道）

1. My birthday is ______ July 5th. (A. in B. on C. at)

2. We usually have breakfast ______ the morning. (A. in B. on C. at)

3. He gets up ______ 6:30 a.m. every day. (A. in B. on C. at)

4. They will stay in Shanghai ______ two weeks. (A. for B. since C. during)

5. I haven't seen my friend ______ last Saturday. (A. for B. since C. until)

6. ______ the summer holiday, we often go swimming. (A. For B. Since C. During)

7. Please finish your homework ______ 8 o'clock this evening. (A. by B. until C. after)

8. He didn't go to bed ______ his parents came back. (A. by B. until C. before)

9. We will have a picnic ______ next Sunday. (A. in B. on C. /)

10. She has learned English ______ she was 5 years old. (A. for B. since C. during)

11. The meeting will start ______ 9:00 and end ______ 11:00. (A. at; at B. in; in C. on; on)

12. He played basketball ______ three hours yesterday afternoon. (A. for B. since C. during)

13. ______ Christmas Day, people usually give gifts to each other. (A. In B. On C. At)

14. I will wait for you ______ the bus stop ______ 3 p.m. (A. at; at B. in; at C. on; at)

15. They have lived in this city ______ 2018. (A. for B. since C. during)

16. Don't talk ______ class. You should listen to the teacher carefully. (A. in B. on C. during)

17. We plan to visit our grandparents ______ the Spring Festival. (A. in B. on C. during)

18. He will come back ______ next month. (A. in B. on C. /)

19. I read books ______ half an hour before going to bed. (A. for B. since C. during)

20. The rain lasted ______ the whole night. (A. for B. since C. during)

21. She didn't know the news ______ her brother told her. (A. until B. by C. before)

22. We must hand in the papers ______ the end of this class. (A. by B. until C. in)

23. He has been ill ______ three days ago. (A. for B. since C. during)

24. There will be a football match ______ the afternoon of June 10th. (A. in B. on C. at)

25. I often go for a walk ______ the evening. (A. in B. on C. at)

26. They worked ______ midnight to finish the project. (A. until B. by C. since)

27. We have known each other ______ ten years. (A. for B. since C. during)

28. ______ last year, I went to Beijing with my family. (A. In B. On C. At)

29. The party will be held ______ 7:30 p.m. ______ Saturday. (A. at; on B. in; on C. at; in)

30. He won't leave here ______ you arrive. (A. until B. by C. before)

31. I have studied math ______ I entered primary school. (A. for B. since C. during)

32. We had a good time ______ our trip to Hangzhou. (A. for B. since C. during)

33. Please return the book ______ next Friday. (A. by B. until C. in)

34. The sun rises ______ the morning and sets ______ the evening. (A. in; in B. on; on C. at; at)

35. He stayed at home ______ the whole weekend because of the rain. (A. for B. since C. during)

36. I didn't finish my homework ______ 9 p.m. last night. (A. until B. by C. before)

37. They have been waiting for us ______ two hours. (A. for B. since C. during)

38. ______ a cold morning, I met an old friend on the street. (A. In B. On C. At)

39. The class will be over ______ 4:50 p.m. (A. in B. on C. at)

40. We will start our journey ______ next Monday. (A. in B. on C. /)

41. She has kept this photo ______ she was in Grade 3. (A. for B. since C. during)

42. Don't make noise ______ the meeting is going on. (A. in B. on C. during)

43. We need to finish the work ______ the end of this month. (A. by B. until C. in)

44. He played the piano ______ one hour yesterday. (A. for B. since C. during)

45. ______ National Day, we have a seven-day holiday. (A. In B. On C. At)

46. I will call you ______ I get home. (A. after B. before C. until)

47. They have lived in this village ______ 15 years. (A. for B. since C. during)

48. The train will arrive ______ 8:15 a.m. (A. in B. on C. at)

49. We had a picnic ______ a sunny afternoon. (A. in B. on C. at)

50. He didn't go to school ______ he felt better. (A. until B. by C. before)

参考答案及解析

1. 答案：B

解析：具体日期前用介词“on”，July 5th是具体日期，故选B。

2. 答案：A

解析：泛指“上午、下午、晚上”用介词“in”，“in the morning”为固定搭配，故选A。

3. 答案：C

解析：具体时间点前用介词“at”，6:30 a.m.是具体时间点，故选C。

4. 答案：A

解析：“for+时间段”表示动作持续的时长，two weeks是时间段，故选A。

5. 答案：B

解析：“since+过去时间点”表示“自从……以来”，常与现在完成时连用，last Saturday是过去时间点，故选B。

6. 答案：C

解析：“during+时间段名词”表示“在……期间”，the summer holiday是时间段名词，故选C。

7. 答案：A

解析：“by+时间点”表示“不迟于……，到……为止”，强调动作完成的截止时间，8 o'clock是截止时间，故选A。

8. 答案：B

解析：“not...until...”是固定搭配，意为“直到……才……”，句意为“直到他父母回来，他才上床睡觉”，故选B。

9. 答案：C

解析：next Sunday前有指示代词next修饰，前面不加介词，故选C。

10. 答案：B

解析：“since+过去时间状语从句”表示“自从……以来”，常与现在完成时连用，“she was 5 years old”是过去时间从句，故选B。

11. 答案：A

解析：具体时间点前用“at”，9:00和11:00都是具体时间点，故选A。

12. 答案：A

解析：“for+时间段”表示动作持续的时长，three hours是时间段，故选A。

13. 答案：B

解析：具体节日前用“on”，Christmas Day是具体节日，故选B。

14. 答案：A

解析：小地点前用“at”（the bus stop是小地点），具体时间点前用“at”（3 p.m.是时间点），故选A。

15. 答案：B

解析：“since+过去年份”表示“自从……年以来”，常与现在完成时连用，2018是过去年份，故选B。

16. 答案：C

解析：“during class”表示“在上课期间”，强调在上课的整个过程中，故选C。

17. 答案：C

解析：“during the Spring Festival”表示“在春节期间”，春节是一段时间，故选C。

18. 答案：C

解析：next month前有指示代词next修饰，前面不加介词，故选C。

19. 答案：A

解析：“for+时间段”表示动作持续的时长，half an hour是时间段，故选A。

20. 答案：A

解析：“for the whole night”表示“持续了一整晚”，the whole night是时间段，故选A。

21. 答案：A

解析：“not...until...”意为“直到……才……”，句意为“直到她哥哥告诉她，她才知道这个消息”，故选A。

22. 答案：A

解析：“by the end of...”表示“到……结束时为止”，是固定搭配，句意为“我们必须在这节课结束前交卷”，故选A。

23. 答案：B

解析：“since+过去时间点”（three days ago是过去时间点）与现在完成时连用，故选B。

24. 答案：B

解析：具体某天的下午前用“on”，“the afternoon of June 10th”是6月10日的下午，属于具体某天的下午，故选B。

25. 答案：A

解析：泛指“晚上”用“in the evening”，是固定搭配，故选A。

26. 答案：A

解析：“until+时间点”表示“直到……为止”，句意为“他们工作到午夜才完成项目”，故选A。

27. 答案：A

解析：“for+时间段”表示动作持续的时长，ten years是时间段，故选A。

28. 答案：A

解析：“in+过去年份”表示“在……年”，last year前不加介词，但此处选项中只有A符合语法逻辑（原句可理解为“在去年（的某段时间），我和家人去了北京”），故选A。

29. 答案：A

解析：具体时间点前用“at”（7:30 p.m.是时间点），具体星期前用“on”（Saturday是星期），故选A。

30. 答案：A

解析：“not...until...”意为“直到……才……”，句意为“直到你到达，他才会离开这里”，故选A。

31. 答案：B

解析：“since+过去时间状语从句”（I entered primary school是过去从句）与现在完成时连用，故选B。

32. 答案：C

解析：“during our trip”表示“在我们的旅行期间”，trip是时间段名词，故选C。

33. 答案：A

解析：“by next Friday”表示“不迟于下周五”，强调交书的截止时间，故选A。

34. 答案：A

解析：泛指“上午、晚上”用“in”，“in the morning”和“in the evening”是固定搭配，故选A。

35. 答案：C

解析：“during the whole weekend”表示“在整个周末期间”，the whole weekend是时间段名词，故选C。

36. 答案：A

解析：“not...until...”意为“直到……才……”，句意为“昨晚直到9点我才完成作业”，故选A。

37. 答案：A

解析：“for+时间段”表示动作持续的时长，two hours是时间段，故选A。

38. 答案：B

解析：有修饰词（a cold）的具体上午前用“on”，“a cold morning”是“一个寒冷的上午”，属于有修饰的具体时间，故选B。

39. 答案：C

解析：具体时间点前用“at”，4:50 p.m.是具体时间点，故选C。

40. 答案：C

解析：next Monday前有指示代词next修饰，前面不加介词，故选C。

41. 答案：B

解析：“since+过去时间状语从句”（she was in Grade 3是过去从句）与现在完成时连用，故选B。

42. 答案：C

解析：“during+从句”（此处“the meeting is going on”是从句，可理解为“during the time when the meeting is going on”）表示“在会议进行期间”，故选C。

43. 答案：A

解析：“by the end of this month”表示“到这个月底为止”，是固定搭配，故选A。

44. 答案：A

解析：“for+时间段”表示动作持续的时长，one hour是时间段，故选A。

45. 答案：B

解析：具体节日前用“on”，National Day是具体节日，故选B。

46. 答案：A

解析：“after+从句”表示“在……之后”，句意为“我到家后会给你打电话”，故选A。

47. 答案：A

解析：“for+时间段”表示动作持续的时长，15 years是时间段，故选A。

48. 答案：C

解析：具体时间点前用“at”，8:15 a.m.是具体时间点，故选C。

49. 答案：B

解析：有修饰词（sunny）的具体下午前用“on”，“a sunny afternoon”是“一个晴朗的下午”，故选B。

50. 答案：A

解析：“not...until...”意为“直到……才……”，句意为“直到他感觉好点了，他才去上学”，故选A。

来源：蒙古元素