题目内容
John knocked at the door for nearly five minutes____his wife opened it.
A.when |
B.before |
C.until |
D.as |
【答案】
B
【解析】略
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题目内容
John knocked at the door for nearly five minutes____his wife opened it.
A.when |
B.before |
C.until |
D.as |
B
【解析】略