问题

I can’t go to the cinema with you because I _______ stay here until my mother comes back.
A:can
B:could
C:may
D:must
B:could
C:may
D:must
正确答案是:
同类题型
My parents like walking ______ the river after supper every day. [ ]
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Why don’t you eat more, Lily?—Sorry, mum. I can hardly eat _________. I am not feeling well today.
Do the boys in your class enjoy playing chess?—______ likes it, but many of them like football.