题目内容
2.Amy was reading a book I came in.( )| A. | when | B. | while | C. | because | D. | though |
分析 当我进来时,Amy正在读书.
解答 答案:A 根据题干可知was reading a book与came in是同时发生的.because"因为";though"尽管;虽然",与句意不符,可排除;while 引导的时间状语从句通常用进行时态,表示主句的动作发生的同时,从句的动作也正在发生,而came in为一般过去时,故排除while.when"当…的时候",用来引导时间状语从句时,其后可跟瞬间动词(一般过去时).故选A.
点评 本题考查连接副词.当表示两个动作同时发生时,一般使用when和while,两者区别为while后一定接可延续的动作,通常为进行时.
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