—I think so. He ________for it for months.
A. is preparing
preparing
【解析】答案为D。由句中“for months”与“will”可知，“prepare”的动作应发生在过去而
且到目前还在继续，故用现在完成进行时。
②—I have got a headache.
— A. work B. are working C. have been working D. worked B. was preparing? C. had been preparing D. has been
【解析】答案为C。句意：你在电脑前工作的时间太长。动作从过去开始。一直延续到现
在，可能还会延续下去，所以应用现在完成进行时。
③I won’t tell the student the answer to the math problem until he ______on it for more than an
hour.
A. has been working B. will have worked C. will have been working D. had worked
【解析】答案为A。根据后面“for more than an hour”可知动作持续一段时间而且一直在
进行，until表明这是一个时间状语从句，句中用现在完成进行时表示将来完成进
行。句意：直到这个学生做这道数学题做了一个多小时以后，我才会告诉他答案。
对一般过去时的考查
①He _______football regularly for many years when he was young.
A. was playing B. played? C. has played D. had played
【解析】答案为B。由句中“regularly”和“when he was young”可知是过去某段时间内经常
性、习惯性的动作，故用一般过去时。
②T Judy is going to marry the sailor she ________in Rome last year.
A. meets B. met ? C. has met D. would meet
【解析】答案为B。“遇见”的动作发生在“last year”，故用一般过去时。
③The play had already been on for quite some time when we _________at the New Theatre.
A. have arrived B. arrived C. had arrived D. arrive
【解析】答案为B。根据前面是过去完成时可知后面应该是一般过去时。两个动作发生的
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