根据短文理解，选择正确答案。

    It's seven forty in the morning. The students are coming into the classroom. A girl is opening the window. Some of the students are laughing and talking. Some others are listening to them. Some are reading books. Some are doing their homework.

    Miss Zhao is standing behind the teacher's desk. She is writing on the blackboard. She and Lily are wearing their new dresses. Ann is cleaning her desk, and Mike is helping her. They all look happy.

    What are Bill and Jim doing? Oh, dear, they are still playing basketball on the playground.

读一读，做一做。

    ①大象看见了。也跟着跑起来。野牛拦住他，问：“‘咕咚’在哪里，你看见了?”大象说：“没看见，大伙都说‘咕咚’来了。”野牛拦住大伙问，大伙都说没看见。最后问兔子，兔子说：“是我听见的，‘咕咚’就在那边的湖里。，，

    ②兔子领着大家来到湖边。正好又有一个木瓜从高高的树上掉进湖里，“咕咚”