Physical exercises not only are useful for character training but also can ________ man’s body.

, once ____ positive for H7N9 flu virus, willreceive free medical treatment from our government.

Who will win（赢）the race（比赛）—It’s hard to say. Tony often runs Jim.

After Anna had _______ unusual talk with her teacher, she felt cheerful and made up her mind towork very hard during the rest time of her junior life.

What season is your favourite—I like __________ best because the weather is very cool.