1. 选择正确的答语。

⑴1.Is there a wind?           A. Yes, they are.

⑵Is it raining?                B. Yes, there is.

⑶What do you need?         C. No, we aren't.

⑷Are you playing games?     D. I need an umbrella.

⑸Are they sleeping?          E. No, it isn't.