【题目】— Do you prefer grapes _______ bananas?

【题目】It’s necessary to persuade them _______ beat those children again.

【题目】---How often do you go to a concert?

【题目】Amy’s mother always makes her ________ English every morning.

【题目】He refused ________ his dictionary.

【题目】My father ________ free today. He can’t play with me.

【题目】—Are you busy today, Timmy?

【题目】He is one of the experienced engineers in this factory _______ hard work was repaid with the development of the factory.

【题目】Nothing can prevent us from ______ the four modernization.

【题目】Smoking is bad for your health. You’d better ______.