Question

His dog, wonders all night. (Change into negative)
must take exercise (Chang the voice)​

Answer 1

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➡His dog, wonders all night. (Change into negative)

— His dog, doesn't wonder all night.

➡Must take exercise (Chang the voice)

— Exercise must be taken by you.

Hope it helps!!❤

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Answer 2

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1. His dog, doesn't wonder all night.
2. Exercise must be taken by you.