摘要：---“Each of the students, working hard at his or her lessons, to go to university. ----“So do I. A. hope B. hopes C. hoping D. hoped 12.E-mail, as well as telephone, an important part in daily communication. A. is playing B. have played C. are playing D. hoped 13.Books of this kind well. A. sell B. sells C. are sold D. is sold 14.Every possible means to prevent the air pollution, but the sky is still not clear. A. is used B. are used C. has been used D. have been used 15.When and where to go for the on-salary holiday yet. A. are not decided B. have not been decided C. is not being decided D. has not been decided 16.The number of people invited fifty, but a number of them absent for different reasons. A. were, was B. was, was C. was, were D. were, were 17. of the land in that district covered with trees and grass. A. Two fifth-is B. Two fifth-are C. Two fifths-is D. Two fifths-are 参考答案和解析:

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