问题
选择题
---The computer cost him 20, 000 dollars. ---It ____ be that expensive.It’s a used computer.
A．may not
B．can’t
C．mustn’t
D．needn’t
答案
答案：B
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---The computer cost him 20, 000 dollars. ---It ____ be that expensive.It’s a used computer.
A．may not
B．can’t
C．mustn’t
D．needn’t
答案：B