31. It is not easy to learn English well, but if you _____ ,you will succeed in the end.
　　A) hang up
　　B) hang about
　　C) hang on
　　D) hang onto

　　32. It is reported that ______ adopted children want to know who their natural parents are.
　　A) the most
　　B) most of
　　C) most
　　D) the most of

　　33. Last year the advertising rate ______ by 20 percent.
　　A) raised
　　B) aroused
　　C) arose
　　D) rose

　　34. _____ before we depart the day after tomorrow, we should have a wonderful dinner party.
　　A) Had they arrived
　　B) Would they arrive
　　C) Were they arriving
　　D) Were they to arrive

　　35. The strong storm did a lot of damage to the coastal villages: several fishing boats were ____and many houses collapsed.
　　A) wrecked
　　B) spoiled
　　C) torn
　　D) injured

　　36. The little man was _______ one metre fifty high.
　　A) almost more than
　　B) hardly more than
　　C) nearly more than
　　D) as much as

　　37. As ______ announced in todays papers. The Shanghai Export Commodities Fair is also open on Sundays.
　　A) being
　　B) is
　　C) to be
　　D) been

　　38. You see the lightning _____ it happens , but you hear the thunder later.
　　A) the instant
　　B) for an instant
　　C) on the instant
　　D) in at instant

　　39. The manager lost his ______ just because his secretary was ten minutes late.
　　A) mood
　　B) temper
　　C) mind
　　D) passion

　　40. Great as Newton was , many of his ideas ______ today and are being modified by the work of scientists of our time.
　　A) are to challenge
　　B) may be challenged
　　C) have been challenged
　　D) are challenging