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Ajudem plss!
3. In your notebook, write down the following sentences completing them with must or mustn't.
a. Students ( ) copy exam answers from others.
b. Students ( ) pay attention to class and do the activities.
c. Teachers ( ) answer the cell phone while teaching students
d. Teachers ( ) help students with their difficulties and questions
e. Parents ( ) protect their children from any harm.
f. Parents ( ) have an inappropriate behavior in front of children
g. Cyclists ( ) wear helmets as safety equipment.
h. Drivers ( ) park their cars in the middle of the road.
Me ajudem por favor!!​