i had a little trouble____english grammarA learn B learned C lear_英语解答

i had a little trouble____english grammar
A learn B learned C learning D to learn
怎么选,为什么

人气：295 ℃　时间：2020-04-02 12:30:15

解答

C
没有为什么,只要记住 I have trouble 后面一定要跟着动词的 ing形.
e.g.
I have trouble concentraing in class.
我很难上课时集中思想.