I

⑴Are they going to join us?

⑵What are you going to do at the party?

⑶Are there any good plans for the party?

⑷Where are we going to have the party?

⑸When did the bus go?                 

II

A. Yes, there are.

B. At David's house.

C. At eight o'clock.

D Yes, they are.

E. Tell a story.