You _______ use your cell phone here in our hospital because of the disturbance to the electronic equipments! It’s forbidden.
| A．shouldn’t | B．may not | C．needn’t | D．mustn’t |
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You _______ use your cell phone here in our hospital because of the disturbance to the electronic equipments! It’s forbidden.
| A．shouldn’t | B．may not | C．needn’t | D．mustn’t |
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