⑴Why did the girl go into space?       A. Because it didn't want to be a hot dog.

⑵Why did the boy eat fast?            B. Because she wanted to be a star.

⑶Why did the dog sit under the tree?  C. Because he was eating fast food.

⑴do(过去式)

⑵brought(原型)

⑶sad (反义词)

⑷cap (复数)

⑸rain (形容词)

⑹T-shirt (复数)

A: Why?

B: Because.