Question

【题目】---Why do you eat vegetables every day, Mum? --- _____ healthy, my dear!

A. Keeping B. Keep C. To keep D. Kept

Answer 1

【答案】C

【解析】

试题分析：句意：—妈妈，为什么你每天都吃蔬菜？—为了保持健康，亲爱的！Keeping是Keep的现在分词或动名词形式；Keep保持；To keep是Keep的不定式形式；Kept是Keep的过去式或过去分词形式。本题选C，动词不定式作目的状语。