Ⅰ

⑴Is your cousin a pianist?   

⑵Who invented the compass?   

⑶Are we going to put on a play?   

⑷How long will you stay in Beijing?   

Ⅱ

A. The Chinese.

B. I'll stay there for a month.

C. Yes. She plays the piano well.

D. No. We're going to eat snacks.