Ⅰ

⑴Can I help you?

⑵Did you buy me a pencil?

⑶Who can help me?

⑷Where's your mum?  

⑸Why are you crying?

Ⅱ

A. Sorry, I can't.

B. Because I'm sad.

C. At home.

D. I want a hot dog.

E. Yes, I did.