перепишите данные предложения,употребив существительные во множественном числе и сделав соответствующие изменения.This is a nice citi.The roof of this house was white.Is that a qoose or a hen?There is a mouse in the cellar.

во2 вместо are надо were.прошедшее время.))))

1. There are nice cities2. The roofs of these houses were white3. Are there geese or hens4. There are mouses in the cellars 

1these are nice cities2the roofs of these houses are white.3are those geese or hens?4there are mice in the cellars