Question

【题目】—I often have hamburgers for lunch.

— You’d better not. It’s bad for you ______ too much junk food.

A. eatB. to eatC. eatingD. ate

Answer 1

【答案】B

【解析】

动词不定式。It为形式主语，动词不定式to eat too much junk food 作真正的主语。