38. ___ the employees' working efficiency, the supervisor will allow them to have a coffee break.

A. Improving 　　　　　　　 B. To improve　 　　　　　 C. Having improved 　　 D. Improved

37.　 You can find whatever you need at the shopping centre, ___ is always busy at the weekend.

A. that 　　　　　　　　 B. where 　　　　　　　　　　 C. what 　　　　　　　　　　　 D. which

36. There are hundreds of visitors ___ in front of the Art Gallery to have a look at Van Gogh’s paintings.

A. waited 　　　　　　 B. to wait 　　　　　　　　　　 C. waiting 　　　　　　　　　 D. wait

35.　 David said that it was because of his strong interest in literature ___ he chose the course.

A. that 　　　　　　　　 B. what 　　　　　　　　　　　 C. why 　　　　　　　　　　　 D. how

34.　 Just in front of our house ___ with a history of 1,000 years.

A. does a tall tree stand 　　　　　　　　　　　　　　　　　 B. stands a tall tree

C. a tall tree is standing 　　　　　　　　　　　　　　　　　 D. a tall tree stands

33.　 Doris' success lies in the fact ___ she is co-operative and eager to learn from others.

A. which 　　　　　　 B. that 　　　　　　　　　　　　 C. when 　　　　　　　　　　　　　　 D. why

32.　 ___ most of the earth’s surface is covered by water, fresh water is very rare and precious.

A. As 　　　　　　　　　 B. Once 　　　　　　　　　　　 C. If 　　　　　　　　　　　　　 D. Although

31. Some experts think that language learning is much ___ for children as their tongues are more flexible.

A. easy 　　　　　　　　 B. easier 　　　　　　　　　　　　　　 C. easily 　　　　　　　　　　　　　　 D. more easily

30.　 These shoes look very good. I wonder ___.

A. how much cost they are 　　　　　　　　　　　 B. how much do they cost

C. how much they cost 　　　　　　　　　　　　　　　　　 D. how much are they cost

29. The parents suggested ___ in the hotel room but their kids were anxious to camp out during the trip.

A. sleep 　　　　　　　 B. to sleep 　　　　　　　　　 C. sleeping 　　　　　　　　　 D. having slept