In this experiment, they are woken up several times during the night, and asked to report what they _____.
| A．had just been dreaming | B．are just dreaming |
| C．have just been dreaming | D．had just dreamt |
When he was alive, the old scientist used to say that knowledge ____ from practice and he gained his experience by doing a lot of practical work.
| A．was coming | B．had come | C．comes | D．would come |
She _____ to the office than she got down to writing the report.
| A．has no sooner got | B．had hardly got | C．no sooner got | D．had no sooner got |
He _____ articles for our wall-newspaper these three years, and he _____ about forty articles.
| A．has been writing； has written | B．has been writing； wrote |
| C．is writing； has been writing | D．has written； has written |
— Look at the black clouds. It ____ soon.
— Sure. If only we ____ out.
| A．is raining； didn’t come | B．is to rain； won’t start |
| C．will rain； haven’t started | D．is going to rain； hadn’t come |
The children ____ very quiet；I wonder what they ____ up to.
| A．were； are being | B．are being；are | C．are；do | D．are being；do |
Jim talked for about half an hour yesterday. Never ____ him talk so much.
| A．I heard | B．did I hear | C．I had heard | D．had I heard |
—____ Betty this morning?
— Not yet, but she is sure to be here before noon.
| A．Have you seen | B．Will you see | C．Do you see | D．Did you see |
— Are you a visitor here?
— That’s right. I ____ round the world and now my dream of coming to China ____ true.
| A．have traveled；has come | B．was traveling had been come |
| C．am traveling；has come | D．have traveled；has been come |
All but one _____ take part in the conference ＿＿ tomorrow.
| A．is going to that is to take place | B．are going to that is about to take place |
| C．are going to that is to be taken place | D．are going to； which is to be held |