GWtW B2. Modals of Obligation and Prohibition in present. Unit 5

They ​​ (a)   pay to get in to the show - it was free.

• don't have to
• weren't allowed to
• didn't have to
• had better

I ​ (a)   tell someone about it.

• had to
• ought
• needn't to
• has to

You _____ pay at the till, you can pay the waiter when he brings the bill.

• ought

• have to

• don't have to

• don't need

You ​ (a)   be careful if you go walking alone in a strange place.

• must
• 'd better to
• needn't
• shouldn't

I can go to the supermarket on my own. You ​ (a)   come with me if you ​ (b)   .

• don't need to
• have to
• don't want to
• don't have to

We (a)   to feed the animals at the zoo. (it is prohibited)

We ​ (a)   keep off the road. It's dangerous.

• have to
• don't have to
• should
• need

I ​ (a)   go to bed early, but I decided to. But I decided to.

• didn't have to
• didn't needed to
• needn't
• hadn't to

You (a)   drop litter, it's illegal.

We ​ (a)   to catch a bus; we can walk.

• don't need
• mustn't
• needn't
• shouldn't