Ⅰ

⑴Can you run fast?   

⑵How much are they?   

⑶What are you doing?   

⑷Goodbye, Daming!   

⑸Happy Holloween, Tom!   

Ⅱ

A. Thank you.

B. They are ten yuan.

C. Yes, I can.

D. I'm making cakes.

E. Bye-bye.