题目内容
【题目】The letters for the boss. __________ on his desk but he didn't read them
until three days later.
A. were put B. was put
C. put D. has put
【答案】A
【解析】句意:给老板的信放在他的桌子上,但他直到三天后才读。根据语境及but分句的时态可知第一个分句也应该用过去时,故排除D项;又因为letters同put之间为被动关系,故排除C项。根据主语letters为可数名词复数可知B项不正确,所以选A项。
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