—Must all the passengers in the airbus be foung now?
—No, they ________, because none of them is affected by the flu.
| A．mustn’t |
| B．needn’t |
| C．can’t |
| D．may not |
推荐试卷
—Must all the passengers in the airbus be foung now?
—No, they ________, because none of them is affected by the flu.
| A．mustn’t |
| B．needn’t |
| C．can’t |
| D．may not |
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