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Helen her key in the office so she had to wait until her husband home. A. had le

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Helen her key in the office so she had to wait until her husband home. A. had le

Helen ________ her key in the office so she had to wait until herhusband ________ home.

A. had left; came

B. has left; comes

C. left; had come

D. had left; would come

 

试题答案

答案:A

解析:

Leave这个动作发生在had to wait之前,因此要用过去完成时;until引导的是时间状语从句,用一般过去时即可。