5. Fill in the blanks to complete sentences with the given modal verbs.
1.1__play the piano.
a) may b) can c) ought to
2. Her grandmother__ dance very well when she was young.
a) is able to b) should c) could
3. They__do this work tomorrow.
a) will be able to b) have to c) may
4. Where have you been,__I ask?
a) may b) can c) must
5. Mother said that I __play.
a) can b) might c) may
6. We__go for a walk every day when we do our home task.
a) are allowed to b) need to c) have to
7. You__not forget about your duties.
a) need b) must c) may
8. She__stay at home because she did not feel very well.
a) must b) was able to c) had to
9. As we had agreed before, we __to meet at two o’clock to go to the stadium together.
a) were b) were able c) had
10. The y__ come if they do not want to.
a) need not b) are not able to c) are not allowed to