题目内容
【题目】The letters for the boss___________ on his desk but he didn't read them until 3 days later.
A.were put
B.was put
C.put
D.has put
【答案】A
【解析】句意:给老板的那些信放在他的办公桌上,但是直到三天以后他才读了那些信。letter“信件”和put“放”之间是被动的关系,所以排除C和D,然后因为letters是复数,所以选择A选项。
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