题目内容
-What are you doing for your vacation?
-I _______my little sister at home. My mother is very busy.
-I _______my little sister at home. My mother is very busy.
[ ]
A. am look after
B. am looking for
C. am babysitting
D. am babysit
B. am looking for
C. am babysitting
D. am babysit
C
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