题目内容
The play had already been on for quite some time when we _______ at the New Theatre.
A.have arrived |
B.arrived |
C.had arrived |
D.arrive |
【答案】
B
【解析】主句的谓语动词用过去完成时,when从句的谓语动词要用一般过去时。而不能用过去完成时。
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