问题
选择题
—Could you go swimming with us this afternoon?
—Sorry, I can't. I take care of my little sister because my mother is ill. [ ]
A. have to
B. can
C. may
D. would
答案
答案：A
搜题请搜索小程序“爱下问搜题”
—Could you go swimming with us this afternoon?
—Sorry, I can't. I take care of my little sister because my mother is ill. [ ]
A. have to
B. can
C. may
D. would
答案：A