B. wouldn't make C. don't make
D. haven't made 答案与解析:D 根据题干内容可知,答话者是说自己没有把话说清楚从而导致“对方误解”,即这一动作对现在造成了影响,所以用现在完成时。 3.(2010·山东)Up to now, the program ________ thousands of children who would otherwise have died. A. would save
B. saves C. had saved
D. has saved 答案与解析:D 由句中的时间状语Up to now“到目前为止”可知,应用现在完成时。 4.(2010·四川)—When shall we restart our business? —Not until we ________ our plan. A. will finish
B. are finishing C. are to finish
D. have finished 答案与解析:D 在时间状语从句中,当表示将来完成的意义时,用现在完成时代替将来完成时。 5.(2010·浙江)For many years, people ________ electric cars. However, making them has been more difficult than predicted. A. had dreamed of
B. have dreamed of C. dreamed of
D. dream of 答案与解析:B 从For many years可知,此处谓语动词用完成时态,排除C项和D项;又因后一句用的是现在时态,故排除A项。据此答案应该选B项“现在完成时态”。 【考点诠释】 1.基本概念: (1)表示动作发生在过去,但对现在仍有影响,往往具有因果关系。 (2)表示过去发生过一次或者多次的动作,已成为某种经验。
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