Put the transitive verbs into the passive voice . Do not mention the agent unless it seems necessary
1. Visitors must leave umbrellas and sticks in the cloakroom
2. We ask tenants not to play their radios loudly after midnight
3. We can't repair your clock
4. We cannot exchange articles which customers have bought during the sale ( Articles ... )
5. We have to pick the fruit very early in the morning ; otherwise we can't get it to the market in time
6. The police shouldn't allow people to park there
7. They are watching my house
8. The examiner will read the passage three times
9. Candidates may not use dictionaries
10. You need not type this letter
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Sinh Học lớp 12
