1. The students were watching the national flag being raised， ___ their school uniforms.

A. wore B. were wearing

C. having worn D. wearing

2. If you havent finished the project， then its better to be left ___ .

A. being unmentioned B. to be unmentioned

C. unmentioned D. to have unmentioned

3. “Things ___ never come again！” I couldnt help talking to myself.

A. lost B. losing

C. to lose D. have lost

4. ___ from the top of the city tower， it looks more beautiful.

A. Seen B. To see

C. Having seen D. Seeing

5. Do you think it any good ___ with him again？

A. to talk B. talking

C. to talking D. having talked

6. Walking and running are the oldest and excellent ___ exercise for all ages.

A. shaping body B. body shaping

C. body shaped D. shaped body

7. When we saw the road ___ with snow， we decided to spend the holiday at home.

A. block B. to block

C. blocking D. blocked

8. Many buildings in the city need repairing， but the one ___ first is the library.

A. repaired B. being repaired

C. repairing D. to be repaired

9. Alexander tried to get his work ___ in the medical circles.

A. to recognize B. recognizing

C. recognize D. recognized

10. There is a river ___ around our school.

A. to run B. run

C. running D. to be running

11. The question ___ now at the meeting is on environment.

A. is discussed B. discussed

C. being discussed D. is being discussed

12. Have you ever changed an answer on a test， only ___ out later that your first answer was the right one？

A. to find B. finding

C. have found D. to have found

13. After she finishes the project， shell have nothing ___ .

A. to be worrying about B. to worry about

C. worry about D. being worried about

14. ___ the best in a science competition， the three students were awarded scholarships totaling $ 21， 000.

A. To be judged B. Judged

C. Having judged D. Judging

15. A few yards down Colson Street， she caught sight of a figure ___ in the opposite direction.

A. to hurry B. to be hurrying

C. hurrying D. having hurried

16. ___ the whole passage， he got a general idea of it.

A. Scanning B. To scan

C. Scanned D. Having scanned

17. William Beebe， one of the first men ___ the depth of the sea， died in 1962.

A. exploring B. having exploring

C. explored D. to explore

18. ___ twice a year， whether it is a car or a bus， is the rule that every driver must obey in this city.

A. Examining B. Examined

C. Being examined D. To examine

19. The traffic problems we are looking forward to seeing ___ have attracted the governments attention.

A. solving B. solve

C. to solve D. solved

20. On stepping into the classroom， she found the desk ___ with something unknown.

A. covered B. covering

C. being covered D. to be covered

21. The comments the expert made ___ stockmarket bothered him greatly.

A. concerning B. be concerned

C. concerned D. to be concerning

22. He went over all his notes in such a short time， ___ for the next days examination.

A. preparing B. was preparing

C. to be prepared D. being prepared

23. The firefighters rushed into the ___ house， three of whom were caught in it.

A. burning B. burnt

C. being burnt D. to be burnt

24. There， in the corner， sat three girls， ___ .

A. talking B. were talking

C. to talk D. talked

25. With no agreement ___ ， the leaders will spend another two hours discussing the problem.

A. being reached B. reaching

C. reached D.to be reached

26. It is reported that women graduates are 50% more likely than non-graduates ___ childless throughout their lives.

A. remained B. remaining

C. remain D. to remain

27. Which do you prefer， ___ your weekend， playing computer games or watching TV？

A. spending B. spend

C. being spent D. to spend

28. ___ to catch the early bus， we had to wait another 30 minutes instead.

A. Fail B. Failed

C. To fail D. Having failed

29. Sichuan Province， ___ in southwest China， is one of the largest provinces in China.

A. located B. locating

C. to be located D. is located

30. What worried the child most was ___ to visit his mother in hospital.

A. not his being allowed B. his being not allowed

C. his not allowing D. his not being allowed

31. The woman admitted ___ someone elses credit card.

A. having used B. used

C. to use D. to have used

32. The way Della thought of ___ enough money was to sell her beautiful hair.

A. got B. getting

C. to get D. get

33. Why not bring along some skincare cream？ ___ to sunlight will surely burn your skin.

A. Exposed B. Being exposed

C. Having exposed D. To have exposed

34. ___ to the people， Mary was respected and loved by almost all the people who knew her.

A. Devoting B. Devoted

C. Devote D. To devote

35. The students are forbidden， unless they have special passes， ___ after 11 pm.

A. to be stayed out B. to stay out

C. staying out D. being stayed out

36. The construction laws have strengthened the citys buildings and highways， ___ them more resistant to quakes.

A. made B. to make

C. make D. making

37. ___ the Ming Dynasty， the Ming Imperial Tombs has a long history.

A. Dated back to B. Dating back to

C. To date back to D. Date back to

38. Of the 2000 investors ___ last month， 90% was found lacking in financial knowledge.

A. surveyed B. been surveyed

C. to be surveyed D. being surveyed

39. — Can the project be finished as planned？

— Sure. ___ it completed in time， well work two more hours a day.

A. To have got B. To get

C. Getting D. Having got

40. She didnt remember ___ him before.

A. having met B. have met

C. to meet D. to having met