Question

【题目】The city is dirty. What can we do our city clean? ( )

A. to keepB. keepC. keepsD. keeping

Answer 1

【答案】A

【解析】

句意：这座城市脏。我们能做什么......我们城市整洁呢？keepour city clean是目的，表目的用动词不定式to do，故答案为：A。