单项填空—MayIspeaktoMrMorgan?—Sorry.He

问题详情：

单项填空

—May I speak to Mr Morgan?

—Sorry. He ________ on the farm.

A．works                                                  B．worked

C．is working                                            D．has worked

【回答】

C

知识点：动词时态

题型：选择题