情景会话。

Amy: There are so many(这么多) people in the park.

Sam: Yes.

Amy: Look! What are the boys doing on the lake?

Sam:

Amy:

Sam: They are doing taijiquan.

Amy: Look! Sam. Those(那些) are Daming and Lingling.

Sam:

Amy: He's taking pictures.

Sam: That's an elephant. What is it doing?

Amy:

A. What is he doing? B. They're rowing a boat. C. And Lingling is flying a kite. D. It's drawing a picture. E.What are they doing under the big tree.