题目内容
— Did you go to the beaches?
— No, mum is ill _____ and I _____ stay at home to look after her.
— No, mum is ill _____ and I _____ stay at home to look after her.
[ ]
A. on bed; must
B. on the bed; have to
C. in the bed; must
D. in bed; have to
B. on the bed; have to
C. in the bed; must
D. in bed; have to
D
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