Complete the sentences with must, mustn't or don't have to. 1. We ______ wear a uniform for sports lessons. We wear our own sports clothes. 2. At our school, we have to wear a uniform. We ______ wear jeans or T-shirts. 3. We ______ walk in the corridor. Running is dangerous. 4. We ______ take our books back to the library so other students can read them. 5. We ______ talk in the classroom. We have to be quiet. 6. We ______ go to homework club but lots of people do.

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