You ____________ fall asleep when you are driving.

• mustn't

• needn't

• must

A fish ___________ swim, but it ____________ fly.

• can/can't

• can't/can't

• can't/can

The children ____________ leave school early tomorrow.

• will be allowed to

• were allowed to

• allowed to

You ____________ wait any longer, you ____________ go now.

• have to/can't

• haven't to/can't

• don't have to/can

The fire spread quickly but everyone ____________ escape. (2 possible answers)

• could

• may

• was able to

• might

• can

____________ we go climbing? - No, let's go swimming.

• Shall

• Will

• Won't

You can only smoke in the canteen, you ____________ smoke in this room.

• must

• can

• can't

She's got temperature, she ____________ go out today, she ____________ stay in bed

• mustn't/must

• must/must

• should/should

____________ I borrow your bicycle tomorrow?

• Can

• Could

• May

Dad, you ____________ smoke so much, it's bad for you.

• should

• shouldn't

• mustn't