We had a very hard time _____some of the problems.A discussing B _英语解答

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?

人气：238 ℃　时间：2020-04-07 02:09:39

解答

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