_____ more time， he’ll make a first-class tennis player sooner or later.

They were talking （ ） while preparing dinner.

By the time the course schedule is completed， we _____ the basic subjects of French.

There is a lot of evidence（ ）too much stress is partly responsible for the disease．

The reason is （ ） he is unable to operate the machine.

By this time next week, the winners _____ their awards.

Proper_____can ease people’s relationship and make their conversation more pleasant.

_____, the professor is still trying to learn a new language.

（ ） singer and （ ） dancer is also good at drawing.

A news report is usually very short, （ ） when it is about something very important.

Tom’s bedroom was in a （ ）, for books and papers were here and there.

—Are you （ ）? —No, I’m serious.