Change to the plural forms

That is a lamp. — [ ].

This is a grey puppy. — [ ].

1. This is a ball. —
   [ ].
2. That is my classmate. —
   [ ].
3. That is Clara's toy. —
   [ ].
4. I don't like this candy. —
   [ ].
5. My shoe is purple. —
   [ ].