Câu 5

All students ____ wear uniforms at school because it is a rule.

• should

• have to

• ought to

• mustn't

You look totally exhausted. You ____ take a rest instead of working overtime.

• should

• ought

• must

• has better

If you still want to maintain this relationship, you ____ behave improperly like that.

• ought to not

• ought not to     

• mustn't

• don't have to

Those audiences ____show their tickets before entering the concert hall

• have to

• ought to

• must

• don't have to

We ____ go to work by car. Sky train is a wise choice during rush hour.

• ought to

• mustn't

• shouldn't

• have to

The children ____ spend too much time playing computer games.

• A. mustn't

• B. ought to not

• C. shouldn't

•        D.  Both B and C

In case you're suffered from the injury, you ____ see the doctor today                       

• A. had better

•     B.  must      

• C. ought

• D. have better

Water park is free for kids under 6 years old. so you ____ pay money for your son.

• have to

• mustn't

• should

• don't have to

You look totally exhausteD You _______ take a rest instead of working overtime.

• should

• ought

• must

• has better

Anyone ____ have a passport, even a visa when travelling all around the world

• A. ought to                           

• B. must

• C. should

• D. has to