Правильно поставьте was were
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1 were the children in the zoo last month?

No, they weren't

they were in the circus.

2 Was the dog in the kitchen yesterday?

No, it wasn't

It was in the living rooom

Were the children in the zoo last month. no,they were not. They were in the circus last month

Was the dog in the kitchen yesterday?no, it was not. It was in the living room