Modal Verbs

1. You ______ do the extra project. It's optional.

• can't

• don't have to

• must

• mustn't

• have to

2. You _____ talk after the exam has started.

• ought to

• shouldn't

• don't have to

• mustn't

• had better

3. You _____ forget to read all the questions before you start writing.

• don't have to

• mustn't

• can

• should

• had better

4. You _____ answer all the questions in this exam so don't miss any.

• can

• had better

• don't have to

• must

• have to

5. You ______ remember to check all your answers carefully.

• have to

• can

• must

• had better

• mustn't

6. You ______ stay in the exam room: leave quietly when you've finished

• mustn't

• can't

• shouldn't

• had better not

• don't have to

7. You ______ leave out questions you're not sure about in the exam.

• shouldn't

• can't

• must

• had better

• should

8. You ______ use a calculator for your maths exam, but not a mobile phone.

• should

• can

• must

• don't have to

• have to

9. It is forbidden to smoke in public places.

• You can

• You must

• You mustn't

• You have to

10. You are obliged to finish this work before the end of the week.

• have to

• needn't

• can

• might