What about ______a rest—OK .Let’s go out and have a walk.

Liu Xiang, I have to say, is highly occupied. He is not_____ for any interview at the moment.

______ to the climate here, the old couple would rather live here for the rest of their life _____move to another city.

the air to hold some of the sun’s heat,the earth at night ________, too cold for us to live.

Parents should see to it _______ their children form the habit of brushing their teeth every day.