Question

【题目】When I arrived at his office, he ____on the phone.

A. spokeB. was speakingC. is speaking

Answer 1

【答案】B

【解析】

句意：当我到达他的办公室时，他正在打电话。

A. spoke说，一般过去时；B. was speaking正在讲，过去进行时；C. is speaking正在讲，现在进行时。根据When I arrived at his office，当我到达的那一刻，他正在做的事情，故用过去进行时，故选B。