问题
选择题
I'm not good at English. I think it's not easy _______ foreign language well. [ ]
A. learn
B. to learn
C. learned
D. learning
答案
答案：B
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I'm not good at English. I think it's not easy _______ foreign language well. [ ]
A. learn
B. to learn
C. learned
D. learning
答案：B