In this experiment, they are woken up several times during the night, and asked to report what they _____.

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.

She _____ to the office than she got down to writing the report.

He _____ articles for our wall-newspaper these three years, and he _____ about forty articles.

— Look at the black clouds. It ____ soon.
— Sure. If only we ____ out.

The children ____ very quiet；I wonder what they ____ up to.

Jim talked for about half an hour yesterday. Never ____ him talk so much.

—____ Betty this morning?
— Not yet, but she is sure to be here before noon.

— Are you a visitor here?
— That’s right. I ____ round the world and now my dream of coming to China ____ true.

All but one _____ take part in the conference ＿＿ tomorrow.