"How did you spend the night?" "We had a very hard time ______ some of the probl

游客2025-03-16 2

问题 "How did you spend the night?" "We had a very hard time ______ some of the problem."

选项 A、discussing
B、to discuss
C、of discussing
D、on discussing

答案 A

解析 have a hard time doing sth．是固定结构，表示“做某事很艰辛”。

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