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10. now
Exercise 8. Choose the answer A, B, C or D
1. Yesterday I
A. must
2. All employees
A. must
3. If you are under 13, you
A. must
4. We
finish my geography project.
B. mustn't
be late for work.
B. mustn't
A. mustn't B. must
C. have to
C. have to
get your parents' permission.
C. don't have to
forget to keep the vegetables in the fridge or else they'll be rotten.
C. have to
D. don't have to
6
B. mustn't
D. had to
D. don't have to
D. have to