What can you do in a classroom? What must you do? What mustn't you do?
Look at the pictures and write the number of the actions in the blanc spaces. Then make sentences using can, must, mustn't.
1 take notes in your notebook - 2 sleep - 3 pay attention - 4 write on the board
5 stand on the desk - 6 work with a computer - 7 speak on the cellphone
8 ask questions - 9 play football - 10 fight
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