问题

_____ the man there be our maths teacher——He ___ be, but I’m not sure.
A:May; can’t
B:Can; can’t
C:Can; may
D:May; mustn’t
B:Can; can’t
C:Can; may
D:May; mustn’t
正确答案是:
同类题型
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Good parents turn every meal into a special occasion they can use to discipline their kids.
Jane, why are you so happy—The hen I keep for half a year ________an egg yesterday.