Should, Must, Had Better, Ought

You ________ try to work out more. It's my opinion!

• should

• shouldn't

• must

I _________ call the police about the car accident.

• don't have to

• should

• ought to

You ___________ start studying hard for your test now. That's important for you!

• should

• had better

Maybe you __________ try a different size. That dress looks too small.

• had better

• must

• should

I think Jason ________ go to college. If he doesn't go, he won't have a job.

• ought to

• ought not to

Angela __________ go on vacation this month. We're busy and need all the employees here.

• shouldn't

• should

Perhaps you __________send this email. There are a few spelling errors.

• have to

• must

• shouldn't

If you want the job, you __________go to the interview.

• had better not

• had better

You ________ forget to set the alarm clock. We have an early flight tomorrow morning.

• had better not

• have to

You _____________ go into the swimming pool. The water is really cold and you can get sick.

• had better

• had better not

• must