Ihaven’tseenMaryrecently.Andyo

--- I haven’t seen Mary recently. And you?
--- Me neither. I’m afraid she _________ to her experiment for too long a time.

A．is devoting

B．was devoted

C．has been devoting

D．has been devoted

登录免费查看答案和解析

相关试题

Before the final examination,many students have shown
of tension.Some have trouble in sleeping while others have lost their appetite(胃口).

A．anxiety

B．marks 

C．signs

D．remarks

收藏答案/解析

Small as it is，the ant is as much a creature as all other animals on the earth.

A．are

B．is

C．have

D．do

收藏答案/解析

To get as much first hand information as possible，inspectors will hold workshops and distribute questionnaires， .

A．isn’t it

B．won’t it

C．aren’t they

D．won’t they

收藏答案/解析

Professor Smith，along with his assistants， on the project day and night to meet the deadline.

A．work　　　　　　

B．working

C．is working

D．are working

收藏答案/解析

—Didn’t you enjoy the performance last night?
— .It was less wonderful than expected.

A．Yes，I did

B．No，I didn’t

C．Yes，I didn’t

D．No，I did

收藏答案/解析