问题
选择题
| _____, or you'll have a bad cold. |
A. If you put on your sweater B. Put on your sweater C. Putting on your sweater D. To put on your sweater |
答案
答案：B
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| _____, or you'll have a bad cold. |
A. If you put on your sweater B. Put on your sweater C. Putting on your sweater D. To put on your sweater |
答案：B