1) Teachers ____________ work in schools. a) have to b) don't have to 2) Students __________ go to school in the holidays. a) have to b) don't have to 3) Young children _________ go to work every day. a) have to b) don't have to 4) Farmers ______ work outside. a) have to b) don't have to 5) Police officers ______ wear uniforms. a) have to b) don't have to

Ex 2 grammar have to

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