问题

Whose book is this?—-It _______ our geography teacher’s. You see, his name is on it.
A:can’t be
B:can be
C:mustn’t be
D:must be
B:can be
C:mustn’t be
D:must be
正确答案是:
同类题型
This is _____handbag. Could you please give it to ________?—OK!
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