Question

образуйте множественное число существительных сделав все необходимые изменения.
1) It's a long story.
2)this is a key
3)that's a new shop.
4)it 's a fly.
5)it's a big country
6)he is a chief.
7)it's a black cat.
8)that is a clever dog.
9)it's an orange
10)he is nice boy
11)it's a yellow leaf.
12)she is a good wife.
13)it's bad tooth.
14)it's a strange fish
15)it's a beautiful deer.
16)that's a new potato
17)this is a red roof
18)it's my fale
19)she is a wonderful child
20)it's a white sheep

Answer 1

these are long stories
these are keys
those are new shops
these are flies
these are big countries
they are chiefs/we are chiefs/you are chiefs
these are black cats
those are clever dogs
these are oranges
you are nice boys/we are/you are
these are yellow leaves
they are/we are/you are good wives
these are bad teeth
these are strange fishes
these are beautiful deer
those are new potatoes
these are red roofs
these are your fates 
they /you/we are wonderful children
these are white sheep