13clc: (12.3): modal verb

You mustn’t leave your motorbike unlocked. You …….lock it.

• must

• mustn't

• need

• needn't

There’s plenty of food in the fridge. We ……….go to the supermarket today

• mustn't

• can

• needn't

• must

The show............. be cancelled, but I'm not sure.

• must

• might

• should

• need

You ___ wash the car. I just had it done yesterday.

• mustn't

• needn't

• must

• can

Passengers ___ smoke until the signs have been switched off.

• mustn't

• can't

• needn't

• mightn't

“Have you seen John?” “No. But he _________ be studying in the library.

• may

• will

• must

• need

Readers…….bring food and drink to the library. Please leave them outside.  

• needn't

• may

• must

• mustn't

You……go to school today because it’s Sunday.       

• mustn't

• needn't

• mightn't

• won't

You…….walk on the beach when the tide’s coming in. It’s very dangerous.

• mustn't

• needn't

• mightn't

• must

You ___ to come if you are tired.

• mustn't

• can't

• don't have

• may not