Look!The man at the school gate _________ be our headmaster．He is always standing there to welcome us every morning．
No，it _______ be him．He is holding a meeting in the office now．（ ）
| A． |
must； can't |
| B． |
must； mustn't |
| C． |
can't； mustn't |
相关试题
﹣﹣﹣May I park my car here？
﹣﹣﹣No，you _______.Can't you see the sign 
？（ ）
| A． |
mustn't |
B． |
wouldn't |
C． |
needn't |
D． |
couldn't |
Don't worry.We will meet next Monday _______ the project again.（ ）
| A． |
discuss |
B． |
discussed |
C． |
discussing |
D． |
to discuss |
Now people can send messages with their voices.It is _______ than using a keyboard.（ ）
| A． |
fast |
B． |
faster |
| C． |
fastest |
D． |
the fastest |
Mike moved to China with _______ family two years ago.（ ）
| A． |
he |
B． |
him |
C． |
his |
D． |
himself |
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