HasTomfinishedhisjobyet?Ihaven

---Has Tom finished his job yet?
　 ---I have no idea of it; he _____ it this morning.

A．has been doing

B．had been doing 　

C．did 　　

D．was doing

登录免费查看答案和解析

相关试题

Had I known about this computer program, a huge amount of time and energy .

A．would have been saved

B．had been saved

C．will be saved

D．was saved

收藏答案/解析

Either you or one of your students ______ to attend the meeting that is due tomorrow.

A．are

B．is

C．have

D．be

收藏答案/解析

The teacher together with the students _______ discussing Reading Skills that ______ newly published in America.

A．are; were

B．is; were

C．are; was

D．is; was

收藏答案/解析

— How are you managing to do your work without an assistant?
— Well, I _____ somehow.

A．get along

B．come on

C．watch out

D．set off

收藏答案/解析

If only he _____ quietly as the doctor instructed, he would not suffer so much now.

A．lies

B．lay

C．should lie

D．had lain

收藏答案/解析