33. You can't imagine what difficulty we had ______ home in the snowstorm. (辽宁卷)

A. walked　　　　　　　 B. walk　　　　　　 C. to walk　　　　　　　 D. walking

32. The crowd cheered wildly at the sight of Liu Xiang, who was reported ______ the world record in the 110-meter hurdle race. (辽宁卷)

A. breaking　　　　　　 B. having broken　　 C. to have broken　　　　 D. break

31. The children went home from the grammar school, their lessons _______ for the day. (重庆卷)

A. finishing 　　　　　　　　 　B. finished　　 C. had finished　 　　　 　　D. were finished

30. ______ by a greater demand of vegetables, farmers have built more green houses. (浙江卷)

A. Driven　　　　　　　 B. Being driven　　　　 C. To drive　　　　 D. Having driven

29. The children talked so loudly at dinner table that I had to struggle ______.(浙江卷)

A. to be heard　　 B. to have heard　　　 C. hearing　　 D. being heard

28. The glass doors have taken the place of the wooden ones at the entrance, ________ in the natural light during the day. (天津卷)

A. to let　　 　　　　 　　　B. letting　　 　　 　　C. let　　　　　　 D. having let

27. The flowers his friend gave him will die unless ________ every day. (四川卷)

A.　 watered　　　　　　 B.　 watering　　　　　　 C. water　　　　　 D.　 to water

26. Peter received a letter just now ________ his grandma would come to see him soon. (四川卷)

A．said　　 　　　　　　　　 　B．says　　 　　C．saying 　　　　　　　　　 　　D．to say

25. She wants her paintings　　 in the gallery, but we don t think they would be very popular. (上海春)

A．display　　　　　　　　　　 B．to display　　　　　　　 C．displaying 　 D．displayed

24. 　　the safety of gas, the government has checked the city’s gas supply system thoroughly. (上海春)

A．To ensure　　　　　　　　 B．EnsuringC．Having ensured.　　　　　 D．To have ensured