The play had already been on for quite some time when we at the New Theatre. A．h
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The play had already been on for quite sometime when we _______ at the New Theatre.
| A．have arrived | B．arrived |
| C．had arrived | D．arrive |
试题答案
【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。