—Who is playing the piano in the music room? Is it Mary?
—No, it ________ be her. She has ________ to Beijing on business.
| A． |
couldn’t; been |
B． |
can’t; gone |
C． |
can’t; been |
D． |
mustn’t; gone |
相关试题
语音辨析
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-I am going to the Great Wall tomorrow. -_______.
| A．That's OK. | B．That's right. |
| C．Have a good time! | D．Thank you. |
The buildings_______ your school_______ modern.
| A．makes; look | B．make; looks |
| C．makes; looks | D．make; look |
--- How ___________ does he play volleyball after school?
--- For half an hour.
| A．old | B．long | C．many | D．much |
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