Complete the sentences with the passive form of the verbs in brackets.
Present simple passive
1. Chemicals ___________ (use) in the lab
2. A fire extinguisher _______(keep) nearby. *
3The water _________ (boil) for five minutes. *
. 4The work bench (clean) regularly.
5. Test tubes ______(break).
6. A chemical reaction can _________ (see).
7. Homework ______ (do) after school.
8. Notes can ________(take). *
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Respuesta:
1. Chemicals are used in the lab
2. A fire extinguisher is kept nearby. *
3. The water is boiled for five minutes. *
4. The work bench is cleaned regularly.
5. Test tubes are broken.
6. A chemical reaction can be seen.
7. Homework is done after school.
8. Notes can be taken. *
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