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baongoc_2002_2002
2 năm trước
740mmHg=...cmHg=...Pa 100640Pa =...cmHg =...mmHg 800cmHg=...N/m^2
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A. Which signs might you see: • in the street? ………………………………………….. • in a hospital? …………………………………………. • in a park? …………………………………………….. • in a museum? ………………………………………… • at an airport? …………………………………………. B. Complete the sentences with have to, don’t have to, can or can’t, and then match signs a-m to the sentences below. Sign c has been done for you as an example. Example: -c- You have to stop. ____ 1. Dogs _____________________ go here. ____ 2. You ___________ride a bicycle here, but you ____________ drive you car. ____ 3. You _____________________ pay in the evening or on Sundays. ____ 4. You _____________________ play football here. ____ 5. You _____________________ take photos. ____ 6. Adults ans children over five _______ pay, but children under five ___ pay. ____ 7. You ________________ use this toilet. ____ 8. You ____________________ use Visa or Mastercard but you ________ use America Express. ____ 9. You ___________________ show your passport. ____ 10. You __________________ use a mobile in here. ____ 11. You __________________ walk on the paths, not the grass. ____ 12. You __________________ smoke in this area.

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