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МатематикаВопрос:
1 Dogs must ..... (keep) on a lead.
Ответ:
Passive voice explanation:
- The passive voice is used to show what happens to the subject.
- It is formed with the verb 'to be' (in the correct tense) + the past participle of the main verb.
Answer:
1 Dogs must be kept on a lead.
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- 5 The new museum ..... (open) by the mayor next week.
- 6 As soon as the fire ..... (put out) the fire fighters left.
- 7 The rubbish bins ..... (empty) every week.
- 8 This book ..... (return) to the library yesterday.
- 9 The birthday present ..... (send) tomorrow.
- 10 The museum ..... (visit) by a million people so far.
