Choose must or must not 

                

1)It's late. You  _________   make so much noise.

2)We   _______ be home by 9 o'clock. The film starts at 9:15.

3)I   _________ finish this essay today. It has to be handed in by tomorrow.

4)Passengers  _________   talk to the driver while the bus is in motion.

5)This is a dangerous tour. Children   _________ be accompanied by an adult.

6)People   ________    stand on this bus.

7)We  ________     do more exercise to stay fit.

8)There  __________ be sth wrong with the engine of this car.

9)We   __________  give up when we are so close.

10)This was a nice evening. We  ________  meet again.

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