Помогите пожалуйста мне необходимо зделать 4

2. That is an apple and this is a pencil.
3. These are tomatoes and those are pens.
4. This is a helmet and that an elephant.
5. Those are leaves and these are cats.
This пишется когда близко и ед. ч, these когда недалёко мн.ч, that когда далеко ед.ч, those когда далеко и мн.ч