поставьте во множественное число
I.The cup is dirty.
2.This mouse is white.
3.This boy has a good coat.
4. The child's foot is sore.
5.I want to see an ox.
6.the biscuit is delisious
7.this man is a doctor.
8. My uncle has a large flat.
9. A cat sees a mouse
10.He loves his wife.