摘要: I had a little trouble English grammar. A. to learn B. learning C. learned D. learn
网址:http://m.1010jiajiao.com/timu3_id_2859812[举报]
I had a little trouble_______English grammar.
[ ]
A. to learn
B. learning
C. learned
D. learn
查看习题详情和答案>>
B. learning
C. learned
D. learn