John knocked at the door for nearly five minutes____his wife opened it.A．whenB．b_刷题宝

题干

John knocked at the door for nearly five minutes____his wife opened it.

A．when

B．before 　　

C．until 　　

D．as

上一题下一题 0.85难度单项选择更新时间:2010-06-30 09:12:40

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