问题
选择题
| —What are you doing for vacation? —I am _______ my little sister. She is only two years old. |
A. look after B. looking for C. babysit D. babysitting |
答案
答案：D
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| —What are you doing for vacation? —I am _______ my little sister. She is only two years old. |
A. look after B. looking for C. babysit D. babysitting |
答案：D