Listen! I think it____ be Mr. White singing in the office.
No, it ___ be him. He left for London just now.( )
| A. |
must; mustn't |
B. |
may; mustn't |
| C. |
must; can't |
D. |
can; can |
Listen! I think it____ be Mr. White singing in the office.
No, it ___ be him. He left for London just now.( )
| A. |
must; mustn't |
B. |
may; mustn't |
| C. |
must; can't |
D. |
can; can |
试题篮
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