(单选题)

The letters for the manager ______ on his desk but he didn’t read them until three days later.

A.were put

B.was put

C.put

D.has put

参考答案：A

参考解析：

考查名词作主语的主谓一致和被动语态。句意：给经理的信被放在桌子上，但是直到3天以后他才看见。本句的主语是the letters，与动词put构成被动关系，故使用被动语态；又主语为复数形式，谓语动词也要用复数。故选A。

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