Simon is           his English book, but he can’t _______ it.

What ______ she ______ for vacation?

Mr. Zhang ________ to school on the school bus every day．

By the time she went outside, the bus ____ already ______ .

Mr. Green ___ to the manager now. You’d better call him later.

It’s ten o’clock. The children are ___ a good time.

Her life ________ a lot during the last three years.

Tom realized that he ________ his physics book at home when he reached school．

一Have you got any friends in China?
—________．Daming and Lingling are my good friends．

---- Do you know Jack well?
---- Certainly, we _________ friends since ten years ago.