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31. The time is not far away _____ modern communications will become widespread in China’s vast countryside.

A) when B) as C) until D) before

32. The residents, _____ had been damaged by the flood, were given help by the Red Cross.

A) all whose homes B) all their homes

C) all of whose homes D) all of their homes

33. Language is a city, to the building of _____ every human being brought a stone.

A) which B) that C) it D) this

34. You will want two trees about ten feet apart, from _____ to suspend your tent.

A) there B) them C) where D) which

35. The mere fact _____ most people believe nuclear war would be madness does not mean that it will not occur.

A) what B) which C) that D) why

36. The course normally attracts 20 students per year, _____ up to half will be from overseas.

A) of whom B) for whom C) with which D) in which

37. I’ve never been to Beijing, but it’s the place _____.

A) where I’d like to visit B) I most want to visit

C) in which I’d like to visit D) that I want to visit it most

38. We grow all our own fruit and vegetables, _____ saves money, of course.

A) which B) as C) that D) what

39. Today the public is much concerned about the way _____.

A) nature is being ruined B) which nature is ruined

C) on which to ruin nature D) of nature to be ruined