问题

Look at the picture on the wall. It ________be David’s.—Yes, his name is on the first page.
A:can
B:can’t
C:must
D: mustn’t
B:can’t
C:must
D: mustn’t
正确答案是:
同类题型
Is Tom still in New York or already back at home—I’m not sure ______. I’ll call to make sure.
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Mum, I want to surf the Internet now.– Oh, dear, you can do whatever you want if your homework .