7 must / mustn't / needn't / don't have to / have to

 I ___________ study for my exam tomorrow. It's really important

• mustn't
• must 
• needn't 
• must to 

You _____________ wear a swimming cap but some people do

• mustn't 
• must
• needn't 
• must to 

You ________ run in the gym. It's dangerous

• mustn't 
• mutsn't 
• needen't
• need 

You _________ exercise after a meal, or you'll be ill

• needn't 
• mustn't 
• don't have to 
• doesn't have to 

Tennis is very popular so you _______ book before you arrive

• musst 
• needn't 
• must 
• don't have to 

You ________ bring a ball. We can lend you one

• mustn't 
• needn't 
• must 

You _______ smoke in the changing rooms.

• needn't 
• mustn't 
• don't have to 
• must 

Everyone _______ wear trainers in the gym.

• don't needn't 
• don't mustn't 
• needn't 
• must 

I haven't got lots of money; I ________ waste it

• mustn't 
• needn't 
• have to 
• must 

Don't worry Paul, you've got plenty of time, you _________ hurry. 

• mustn't 
• have to 
• needn't 
• must