题目内容：

补全对话，选出能填入空白处的选项(有两项多余)

Bob and his mother are visiting the security education show (安全教育展).

M：Bob, come here. Here are many pictures.

B：1.

M：About traffic safety.

B：Uhhuh. It seems boring.

M：Oh, no.2.

B：Maybe, right. Mum, look at this picture. A girl is hit by a car when she is running across the street.3.

M：So it is!

B：4.That can help us keep safe.

M：Yes. Let's go to another hall.

B：5.Let's go.

 

A．How terrible!

B．It's my pleasure.

C．Good idea!

D．What do you think of them?

E．What are they about?

F．It's educational to everyone.

G．I think we must follow traffic rules.