问题
选择题
| It's important ______. |
A. for us to learn English well  B. to us to learn English well C. for us learning English well D. of us to learn English well |
答案
答案：A
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| It's important ______. |
A. for us to learn English well B. to us to learn English well C. for us learning English well D. of us to learn English well |
答案：A