Question

【题目】—I don't like vegetables, Mum.
— on a balanced diet, you should try to cat some.
A.Keep
B.To keep
C.Keeping
D.Having kept

Answer 1

【答案】B
【解析】考查不定式。句意：——妈妈，我不喜欢蔬菜。——为了保持饮食平衡，你应该尝试吃一些。表示目的，用不定式，所以答案是B。