问题
选择题
| —I always listen to the teacher _____ in class. —It's very clever of you to do that. |
| A. free B. freely C. careful D. carefully |
答案
答案：D
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| —I always listen to the teacher _____ in class. —It's very clever of you to do that. |
| A. free B. freely C. careful D. carefully |
答案：D