I had a little trouble English grammar.A. learnB. learnedC. learningD. to learn

发布时间：2020-08-20 11:55:42

I had a little trouble      English grammar.
A. learn
B. learned
C. learning
D. to learn

网友回答

A. learn
B. learned
(答案→)C. learning
D. to learn
解析：考查固定结构。Have a little trouble (in)doing sth 做某事有困难。所以选C。
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