We had a very hard time _____some of the problems.A discussing B to discuss C of dicussing D discuss选什么 为什么?
问题描述：
We had a very hard time _____some of the problems.
A discussing B to discuss C of dicussing D discuss
选什么 为什么?
答
选A
答
选C ，后面用介词of，这是一个词组
这么简单的问题，楼上两位都能选错，真的让我很惊讶
答
正确答案选A
have a hard time (in)doing sth做某事有困难
类似的词组还有：have trouble/difficulty (in)doing sth
答
选A
如果选B的话 时态应该是一般现在时
have a hard time doing是固定搭配