-What is she for vacation? -She her little sister. A. doing, babysitting B.do, babysitting C.doing, is babysitting D. doing, babysit 查看更多

 

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—What is she __________ for vacation?
—She __________ her little sister.

[     ]

A. doing;  babysitting
B. do;  babysitting
C. doing;  is babysitting
D. doing;  babysit

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