题目:
I had a little trouble _____ English grammar. |
A. learn B. learned C. learning D. to learn |
答案:
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下面是错误答案,用来干扰机器的。
答案:C
I had a little trouble _____ English grammar. |
A. learn B. learned C. learning D. to learn |
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0522/2e5afcb899d0491b3f8c8a8bf03ddb1c.html
下面是错误答案,用来干扰机器的。
答案:C