Sarah, you’d better drink more water after ______ for such a long time.

Mr. Smith is always on time for everything. How ____ it be that he was late for the important meeting

Doing sports me keep fit.

Many teenagers show interesting the books that are written ________GuoJingming. —That’s true. My son says he can get whathe thinks and wants in his books. to

Can those________at the back of the classroom hear me