问题
选择题
—What are you doing the day after tomorrow?
—I _____ babysit my sister. My parents are not at home. [ ]
A. can
B. have to
C. could
D. can't
答案
答案：B
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—What are you doing the day after tomorrow?
—I _____ babysit my sister. My parents are not at home. [ ]
A. can
B. have to
C. could
D. can't
答案：B