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— Must we get to the airport before 8 o’clock?
— No, you _____. The plane takes off at 12 o’clock.

— Must we get to the airport before 8 o’clock?

— No, you _____. The plane takes off at 12 o’clock.

A．mustn’t          B．needn’t          C．wouldn’t         D．shouldn’t

— Must we get to the theater at 7:00?

— No, you _______. The movie begins at 8:00.

A. can’t        B. must’t        C. needn’t      D. shouldn’t

— Must we get to the theater at 7:00?
— No, you _______. The movie begins at 8:00.