题目内容
1．____________ healthy，you should take exercise often．（ ）| A． | Keeping | B． | Keep | C． | To keep |
分析 为了保持健康，你应该经常做运动．
解答 答案：C．根据healthy，you should take exercise often，可知此处是非谓语动词短语位于句首表示目的，作目的状语．故选C．
点评 本题考查了动词不定式的用法．解答时注意区分辨别句意．
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