一、听一听，标序号。 

1. There is a duck on the pond.

2. There are some clouds in the sky.

3. It will snow in Harbin tomorrow.

4. G: Will it be windy in Hangzhou tomorrow?

   B: No, it won’t. It will be sunny. 

5. G1: When are we going to the party?

   G2: At three o’clock in the afternoon.

6. G: When are you going to have a Chinese class?

   B: At eight o’clock tomorrow morning.