Question

1. You mustn't put solids in the sink /
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2. You should wear safety glasses /
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3. You have to handle acids and alkalis with great care/
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4. You must report all accidents or breakage to your teacher /
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5. You should tie back your tie or long hair /
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6. You mustn't bring food into the laboratory /
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7. You must wash your hands after experiments /
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8. You have to clean the classroom /
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9. You should keep the cellphone /
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10. You must write all the information on the notebook /de
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Daré coronitas (θ‿θ)​

Answer 1

Respuesta:

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