Question

【题目】We have some problems ________ the big bag.

A. carry B. carrying C. to carry D. carried

Answer 1

【答案】B

【解析】句意：搬动这个大的包我们有一些困难。A. carry动词原形形式；B. carrying动名词形式；C. to carry不定式形式；D. carried过去式，过去分词形式。做某事有困难：have problems doing sth，故选B。