Topics: Expressing Obligation and Modals
You …. do your homework.
A. mustn’t
B. must
Preview next quiz:
Which one of these sentences is expressing obligation?
A. Andy has to help his father feed the chickens after school
B. Andy should help his father feed the chickens after school
C. Andy wants to help his father feed the chickens after school
D. Andy will help his father feed the chickens after school