将下列句子改写成复数形式1.It is box.2.Who's that girl?3,What's this?It's

1.these are boxes.
2.who are those girls?
3.what are these?these are eggs.
4.are they reading books?
5.there are trees near the big house.

1.It is box.
1.These are boxes.
2.Who's that girl?
2.Who are those girls?
3,What's this? It's an egg.
3.What are these?These are eggs.
4.Is he reading a book?
4.Are they reading books?
5,There is a tree near the big house.
5.There are trees near those big houses.