题目内容：

It is seven forty in the morning.The children are coming into the classroom.A girl is opening the windows.Some are laughing and talking.Some are listening to them.Some are reading books.Some are doing their homework.

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

What are Bill and Bob doing？Oh，dear！They are still playing basketball on the playground.

1.The children are ________.

A. in the school    B. at home

C. in a boat    D. on the hill

2.What are not the children doing?

A. Doing their homework.    B. Writing on the blackboard.

C. Laughing or talking.    D. Reading books.

3.The teacher is ________.

A. Miss Gao    B. Miss Lin    C. Sue    D. Ann

4.How many students are not in the classroom?

A. One.    B. Two.    C. Three.    D. Four.

5.Which is NOT right?

A. Ann is cleaning the blackboard.

B. Mike is helping Ann clean her desk.

C. Bill and Bob are still playing basketball.

D. The students all look happy.