选出与下列句子或对话相符的图片。
(______)1. —What's this?—It's a dog.
(______)2. —What's that?—It's a desk.
(______)3. I'm a boy. This is my school.
(______)4. —Good morning, Lily. —Good morning, Mr Li.
(______)5. — How many books?—Five books.
(______)6. —How many cats?—Three cats.