1.We... be quiet in class
A) must B)mustn't
2. Dad.... I watch TV?
A) can B) must
3. ... I play your violin, please? 'No!'
A) can B) must
4. Tom you.... climb on your desk.
A) must B) mustn't
5. We haven't got any.....
A) battery B) batteries
6. There are two..... on my bed.
A) scarf B) scarves
7. You..... chew gum in class.
A) must B) mustn't
8...... I ride your bike, please? 'Yes'
A) Can B) must
9. You...... drop litter.
A) must B) mustn't
10. Mum, where's my.....
A) cap B) caps
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