Frank _____ to see his grandma if he _____ free tomorrow.

The Chinese government,             was reported yesterday, will develop a beautiful rural environment           farmers can live a happy life.

There were some chairs left over _____ everyone had sat down.

—I rang you at about nine, but there was no reply.—Oh, that was probably__________I was seeing the doctor.

We are going to discuss the way of reading works ____ it is used for real life purposes, and this should give you a better understanding of it.