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Câu hỏi:

UNIT 10: ENDANGERED SPECIES Rewrite the sentence using : need / needn't / may / might/ must /mustn't/ have to / be able to / had better 1 Smoking is not allowed in the museum.→ You ......................................................................................................................... 2. It isn’t necessary to bring an umbrella. The weather is beautiful.→ We ................................................................................... 3. Maybe you will need to buy a ticket for your child. →You ...................................................................................................... 4. It is essential that all new soldiers have a medical examination. → All new soldiers ............................................................. 5. Foreigners don’t have to register for military service. → Foreigners ....................................................................................... 6. Perhaps Susan know the address. (may) →Susan...................................................................................................... 7. It’s possible that Joanna didn’t receive my message. (might)→Joanna .................................................................. 8. The report must be on my desk tomorrow. (has)→The report ................................................................................................... 9. I managed to finish all my work. (able)→I .................................................................... 10. It was not necessary for Nancy to clean the flat. (didn’t) → Nancy .........................................................................................