The ___ look on his face suggested that he ____ so.

The number of the volunteers 100 now. And a small number of them already gone to the workplace.

I hear Sam has gone to Qingdao for a holiday.—Oh, how nice! Do you know when he________

You have failed two tests. You’d better start working harder, ____ you won’t pass the course.

The picture of the park ________ memories of our class trip last year, when Mr Smith began to take charge of our class.[ ]