7. Which of the following will complete the idea of this sentence: Parents ________ provide the needs of their children. (Obligation)
a. Must
b. should
c. can
d. have to

8. Which of the following will complete the idea of this sentence: Students ________ forget to submit their outputs on time. (Prohibition)
a. Can’t
b. may
c. don’t have to
d. have to

9. Which of the following will complete the idea of this sentence: Students ________ come to school to get their outputs; the parents will do that for them. (No obligation)
a. Could
b. Shouldn’t
c. mustn’t
d. don’t have to