摘要：— ______ I use your pen? — Sure, here you are. (A. Must B. May C. Need)

小升初英语情态动词选择填空专练（40道）附参考答案解析

1. You ______ cross the road when the traffic light is red. (A. mustn’t B. can C. may)

2. — ______ I use your pen? — Sure, here you are. (A. Must B. May C. Need)

3. He ______ swim very well. He is a good swimmer. (A. can B. must C. need)

4. You ______ finish your homework before watching TV. (A. can B. must C. may)

5. — ______ I borrow your dictionary? — Sorry, I’m using it now. (A. Can B. Must C. Shouldn’t)

6. It’s raining heavily. You ______ take an umbrella. (A. may B. should C. can’t)

7. You ______ be quiet in the library. (A. can B. must C. may)

8. — ______ he come to the party? — Yes, he will. (A. Can B. Will C. Must)

9. She ______ not like the gift, but I’m not sure. (A. may B. must C. can)

10. You ______ eat too much candy. It’s bad for your teeth. (A. shouldn’t B. can C. may)

11. — ______ I go out to play, Mom? — No, you must finish your homework first. (A. Must B. May C. Need)

12. My little sister ______ walk now. She is only six months old. (A. can’t B. can C. must)

13. You ______ look left and right before crossing the street. (A. should B. can C. may)

14. — ______ they play football this afternoon? — Yes, they plan to. (A. Will B. Must C. Need)

15. He ______ be at home now. His bike is outside the house. (A. may B. must C. can’t)

16. We ______ keep the classroom clean and tidy. (A. can B. must C. may)

17. — ______ I help you carry the box? — Thank you, that’s very kind of you. (A. Can B. Must C. Need)

18. You ______ run in the hallway. It’s dangerous. (A. mustn’t B. can C. may)

19. She ______ speak English and French. She is very smart. (A. can B. must C. need)

20. — ______ you pass me the salt, please? — Sure. (A. Must B. Can C. Need)

21. It ______ snow tomorrow. The weather report said so. (A. may B. must C. can’t)

22. You ______ drink dirty water. It’s bad for your health. (A. shouldn’t B. can C. may)

23. — ______ he finish the work today? — No, he can finish it tomorrow. (A. Must B. Can C. May)

24. My brother ______ play the piano. He has learned it for three years. (A. can B. must C. need)

25. You ______ be late for school. The teacher will be angry. (A. shouldn’t B. can C. may)

26. — ______ I use your phone to make a call? — Of course. (A. May B. Must C. Need)

27. The baby ______ be hungry. She is crying loudly. (A. may B. must C. can’t)

28. You ______ take photos in the museum. It’s not allowed. (A. mustn’t B. can C. may)

29. — ______ they come to the meeting on time? — I think so. (A. Will B. Must C. Need)

30. He ______ not be busy now. Let’s go to see him. (A. may B. must C. can)

31. You ______ brush your teeth twice a day. (A. should B. can C. may)

32. — ______ I have another cake, Mom? — No, you’ve had too many. (A. Must B. May C. Need)

33. She ______ swim when she was five years old. (A. can B. could C. must)

34. You ______ wear a helmet when riding a bike. It’s safe. (A. should B. can C. may)

35. — ______ he drive a car? — No, he is too young. (A. Can B. Must C. Will)

36. It ______ not be true. He never tells lies. (A. may B. must C. can’t)

37. We ______ arrive at the airport early. The plane will take off on time. (A. must B. can C. may)

38. — ______ you help me with my math homework? — Yes, I’d love to. (A. Can B. Must C. Need)

39. You ______ play computer games for too long. It’s bad for your eyes. (A. shouldn’t B. can C. may)

40. She ______ be in the classroom. I saw her go to the playground just now. (A. may B. must C. can’t)

参考答案及解析

1. A 解析：红灯时禁止过马路，mustn’t 表示“禁止”，符合交通规则。

2. B 解析：may 用于礼貌请求许可，意为“我可以用你的笔吗？”，符合语境。

3. A 解析：can 表示“能够”，结合后句“他是优秀的游泳者”，可知他会游泳。

4. B 解析：must 表示“必须”，看电视前必须完成作业，是强制性要求。

5. A 解析：can 用于请求许可，语气比 may 稍随意，符合日常对话场景。

6. B 解析：should 表示“应该”，大雨天应该带伞，是合理建议。

7. B 解析：图书馆里必须保持安静，must 强调“必须遵守的规则”。

8. B 解析：由答句“yes, he will”可知，问句用 will 提问“他会来参加派对吗？”。

9. A 解析：may not 表示“可能不”，结合“我不确定”，可知是推测。

10. A 解析：shouldn’t 表示“不应该”，吃太多糖对牙齿不好，是建议不要做的事。

11. B 解析：may 用于向长辈请求许可，“妈妈，我可以出去玩吗？”符合语境。

12. A 解析：六个月大的婴儿还不会走路，can’t 表示“不能”。

13. A 解析：过马路前左右看是应该做的事，should 表示“应该”，符合安全常识。

14. A 解析：由答句“他们计划去”可知，问句用 will 提问“他们今天下午会踢足球吗？”。

15. B 解析：自行车在门外，推测他一定在家，must 表示“肯定的推测”。

16. B 解析：保持教室干净整洁是必须做的事，must 强调责任和义务。

17. A 解析：can 用于主动提供帮助，“我能帮你搬箱子吗？”符合礼貌用语习惯。

18. A 解析：走廊里跑步很危险，必须禁止，mustn’t 表示“禁止”。

19. A 解析：can 表示“会，能够”，结合“她很聪明”，可知她会说英语和法语。

20. B 解析：can you...please? 是礼貌请求他人做事的常用句式，意为“请你把盐递给我好吗？”。

21. A 解析：天气预报说可能下雪，may 表示“可能”，是不确定的推测。

22. A 解析：喝脏水有害健康，不应该做，shouldn’t 表示“不应该”。

23. A 解析：由答句“不，他可以明天完成”可知，问句用 must 提问“他今天必须完成工作吗？”。

24. A 解析：学钢琴三年，说明会弹钢琴，can 表示“能够”。

25. A 解析：上学不应该迟到，shouldn’t 表示“不应该”，符合学校规则。

26. A 解析：may 用于请求许可，“我可以用你的手机打电话吗？”语气礼貌。

27. B 解析：婴儿大声哭，推测一定是饿了，must 表示“肯定的推测”。

28. A 解析：博物馆里不允许拍照，mustn’t 表示“禁止”，符合规定。

29. A 解析：will 用于询问将来是否会做某事，“他们会准时来开会吗？”符合语境。

30. A 解析：may not 表示“可能不”，推测他现在可能不忙，是不确定的判断。

31. A 解析：每天刷牙两次是应该做的事，should 表示“应该”，符合生活习惯。

32. B 解析：may 用于向长辈请求许可，“妈妈，我可以再吃一块蛋糕吗？”符合语境。

33. B 解析：when she was five 是过去时间，could 是 can 的过去式，表示“过去能够”。

34. A 解析：骑自行车戴头盔是安全的，应该做，should 表示“应该”。

35. A 解析：can 用于询问能力，“他会开车吗？”结合“他太年轻了”，可知询问能力。

36. C 解析：can’t 表示“不可能”，结合“他从不说谎”，可知这件事不可能是真的。

37. A 解析：飞机准时起飞，必须早点到机场，must 表示“必须”，符合出行要求。

38. A 解析：can 用于请求他人帮忙，“你能帮我辅导数学作业吗？”语气礼貌。

39. A 解析：长时间玩电脑游戏对眼睛不好，不应该做，shouldn’t 表示“不应该”。

40. C 解析：刚看到她去操场了，所以不可能在教室，can’t 表示“否定的推测”。

来源：蒙古元素