Sally appears being a hard time convincing her husband to give up smoking.A、to b

游客2023-12-30 43

问题 Sally appears being a hard time convincing her husband to give up smoking.

选项 A、to be
B、have been
C、to be having
D、having had

答案 C

解析 appear之后的动词应采用不定式，即appear to do sth．，因此排除B和D；根据句子语境，这里要用have a hard time doing sth．的固定搭配，所以只有C符合要求。

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