四、读对话，选择正确的句子补全对话，将其序号填在横线上。
A. Quiet, please!
B. He’s drawing a picture for Amy.
C. What is he doing?
D. What are they doing?
E. She’s playing the piano.
Miss White: This is Shanghai Science and Technology Museum(上海科技馆). Let’s go to the World of Robots. It’s on the second floor.
Mike: Look at this pretty robot. 1.
Amy: The music is so beautiful. l like it.
Mike: That robot is so big. 2.
Miss White: 3. He’s very clever.
Mike: Can he draw a picture for me?
Miss White: Of course. Please take turns.
John: Come here! There are many robots in the Robot Theatre.
Amy: 4.
John: They’re dancing.
Miss White: Shh! 5.

1.E 2.C 3.B 4.D 5.A

一般现在时顺口溜
第、人称和复数，动词原形不变化。遇到主语是第三人称单数，动词后面加-（）。变成一般疑问句，be动词提前就可以。若是没有be动词，和来助力。

一；二；s；es；do；does