41. So loudly _______ that all the people in the room got a fright.

　　A. he shouted B. shout he C. did he shout D. he did shout

　　42. He is the only one of the sons in the family who ______ received high education.

　　A. are B. is C. have D. has

　　43. We think of Mr. Li ______ our good friend.

　　A. is B. to be C. as D. has been

　　44. The mountain is 1,000 feet _______ the sea level.

　　A. over B. higher C. above D. high

　　45. The road will be blocked if there _______ another snow.

　　A. is B. will be C. to be D. will have

　　46. David like country life and has decided to _______ farming.

　　A. get hold of B. get along with C. go in for D. go thorough

　　47. These children have an advantage _______ those in calculation.

　　A. over B. than C. to D. with

　　48. Shanghai has a larger population than _______ in China.

　　A. any city B. any other cities C. other city D. any other city

　　49. In some countries there are a lot of young people now need _______teeth.

　　A. false B. untrue C. wrong D. erroneous

　　50. This book costs ______ that one.

　　A. twice more B. twice more as C. two times more as D. twice as much as

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