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Task 3. Choose the correct option to complete the sentences below.
1. When we were at school we wear a uniform.
A) had to
B) should.
C) must.
2. I________wear glasses, I still can see perfectly well.
A) must.
B) have to.
C) don't have to.
3. This is a non-smoking area, you_______smoke here.
A) shouldn't.
B) mustn't.
C) have to.
4. You________eat so many sweets. They are bad for you.
A) shouldn't
B) mustn't.
C) have to
5. You_________remember to feed the dog.
A) should
B) must
C) have to