Помогите сделать упр 4,5,6

4. That is an apple and this is a pen.
These are tomatoes and those are pens.
This is a helmet and that is an elephant.
Those are leaves and these are cats.

5. That is a bus. Those are buses.
This is a fox. These are foxes.
That is a leaf. Those are leaves. 
That is a brush. Those are brushes,
This is a man. These are men.
This is a toy. These are toys.
This is a mouse. These are mouses.

6. scarves
children
their
teeth
These 
Has
have
These
my
our
havent got
those