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.

—Can you answer this question correctly?

—No, I can’t. It’s too difficult for me.

A.suddenly B.rightly C.finally

—I think we need a few days to find a practical way to solve our problem.

—I don’t think so. In fact, the problem is not so hard for us.

A.useful B.popular C.perfect

—Can you control two computers at the same time when this machine works?

—Yes. The work is not easy to do.

A.sell B.operate C.push

—I hear you just finished middle school, right?

—Yes. When I realized the importance of study, it was too late.

A.wanted to know B.stopped to know C.came to know

—It is getting cooler outside. Let’s go for a walk.

—Good idea! It’s hot in the house.

A.have a picnic B.take a walk C.stand up

—Tom works as an engineer in a big factory at present.

—Really? How long has he worked there?

A.is B.visits C.has

—If we don’t protect the environment, plants and animals will die out on Earth one day.

—So everyone should try his best to do something for the environment.

A.appear B.disappear C.happen

—How did Mary and you become good friends?

—We met each other in a party two years ago. Since then, we have been good friends.

A.From now on B.On the way C.From then on

—Did you hear the latest news about our team?

—Yes! We ______ the red team from another school and we ______ the game.

A.won; beat B.beat; won C.won; won