摘要：He seems to be doing his homework attentively.（他似乎正在专心地做作业。）2. She appears to be doing some research on that topic.（她好像正在就那个主题做一些

1. He seems to be doing his homework attentively.（他似乎正在专心地做作业。）

2. She appears to be doing some research on that topic.（她好像正在就那个主题做一些研究。）

3. They are supposed to be doing physical exercises now.（他们现在应该正在进行体育锻炼。）

4. The students are believed to be doing an experiment in the lab.（人们相信学生们正在实验室做实验。）

5. I happened to be doing some shopping when I met my old friend.（我碰巧正在购物的时候遇到了我的老朋友。）

6. He pretended to be doing his work when the boss came in.（老板进来时，他假装正在工作。）

7. The workers seem to be doing a good job on the construction site.（工人们在建筑工地上似乎干得不错。）

8. She is said to be doing a part - time job to earn some extra money.（据说她正在做兼职工作以赚取一些额外的钱。）

9. The kids are likely to be doing something naughty in the backyard.（孩子们很可能正在后院做一些淘气的事。）

10. We are happy to be doing something meaningful for the community.（我们很高兴正在为社区做一些有意义的事。）

11. He is thought to be doing his best to solve the problem.（人们认为他正在尽最大努力解决这个问题。）

12. The athletes are expected to be doing intensive training for the coming competition.（预计运动员们正在为即将到来的比赛进行高强度训练。）

13. I'm surprised to find you to be doing such a difficult task alone.（我很惊讶地发现你正在独自做如此困难的任务。）

14. They seem to be doing a survey about environmental protection.（他们似乎正在做一项关于环境保护的调查。）

15. She is lucky to be doing a job she really loves.（她很幸运正在做一份她真正热爱的工作。）

16. The police are supposed to be doing their utmost to maintain social order.（警察应该正在竭尽全力维护社会秩序。）

17. He is eager to be doing something to help his family.（他渴望正在做些事情来帮助他的家人。）

18. The scientists are believed to be doing research on a new medicine.（人们相信科学家们正在研究一种新药。）

19. I'm sorry to disturb you when you are to be doing important work.（很抱歉在你正在做重要工作的时候打扰你。）

20. They are planning to be doing some renovations to their house next month.（他们计划下个月正在对他们的房子进行一些翻新。）

21. She hopes to be doing more volunteer work in the future.（她希望将来正在做更多的志愿工作。）

22. The teacher wants the students to be doing some extra reading after class.（老师希望学生们课后正在做一些额外的阅读。）

23. He decides to be doing some self - improvement courses this semester.（他决定本学期正在参加一些自我提升课程。）

24. The team is aiming to be doing better in the next game.（这个团队的目标是在下一场比赛中正在表现得更好。）

25. I'm afraid to be doing something wrong without knowing it.（我担心正在做一些错误的事情而不自知。）

26. They seem to be doing a good job in promoting the new product.（他们在推广新产品方面似乎正在做得很好。）

27. She is determined to be doing everything she can to achieve her goal.（她决心正在尽她所能实现她的目标。）

28. The company is trying to be doing more to reduce its carbon footprint.（这家公司正在努力正在做更多的事情来减少其碳足迹。）

29. I'm glad to be doing something to contribute to the project.（我很高兴正在做一些事情为这个项目做贡献。）

30. He is proud to be doing a job that benefits society.（他为正在做一份有益于社会的工作而感到自豪。）

31. The government is expected to be doing more to improve people's living standards.（预计政府正在做更多的事情来提高人们的生活水平。）

32. She is looking forward to be doing a trip around the world.（她期待着正在进行一次环球旅行。）

33. They are supposed to be doing a rehearsal for the play now.（他们现在应该正在为这部戏剧进行排练。）

34. He is likely to be doing some exploration in the forest.（他很可能正在森林里进行一些探索。）

35. I'm lucky to be doing a course that I'm really interested in.（我很幸运正在学习一门我真正感兴趣的课程。）

36. The workers are striving to be doing their work more efficiently.（工人们正在努力正在更高效地做他们的工作。）

37. She is excited to be doing a performance on the stage.（她为正在舞台上进行表演而感到兴奋。）

38. They seem to be doing a good job in managing the company.（他们在管理公司方面似乎正在做得很好。）

39. He is trying his best to be doing better in his studies.（他正在尽最大努力正在学习上表现得更好。）

40. The organization is aiming to be doing more to help the poor.（这个组织的目标是正在做更多的事情来帮助穷人。）

41. I'm worried to be doing something that may hurt others.（我担心正在做一些可能会伤害别人的事情。）

42. They are planning to be doing a party to celebrate their success.（他们计划正在举办一个派对来庆祝他们的成功。）

43. She hopes to be doing more writing in her free time.（她希望在空闲时间正在做更多的写作。）

44. The students are expected to be doing some review before the exam.（预计学生们正在考试前进行一些复习。）

45. He decides to be doing some sports regularly to keep fit.（他决定正在定期做一些运动来保持健康。）

46. The team is striving to be doing their best in the competition.（这个团队正在努力正在比赛中尽他们最大的努力。）

47. I'm sorry to be doing something that causes you trouble.（很抱歉正在做一些给你带来麻烦的事情。）

48. They seem to be doing a good job in organizing the event.（他们在组织这次活动方面似乎正在做得很好。）

49. She is determined to be doing more to protect the environment.（她决心正在做更多的事情来保护环境。）

50. The company is trying to be doing better in customer service.（这家公司正在努力正在客户服务方面做得更好。）

来源：蒙古元素