Ⅲ.补全对话。(2013，山西)

　　根据对话内容，从方框中选择合适的选项补全对话。

　　[A middle school student and her mother are visiting the security education show (安全教育展).]

　　M：Come on，darling，so many pictures here!

　　S：21.__D__

　　M：Traffic safety.

　　S：Sounds boring.

　　M：22.__F__

　　S：Maybe.Oh!Mum，look at this picture，a boy is hit by a car when he is running across the road.23.__B__

　　M：So it is!

　　S：24.__G__ That helps us stay safe from danger.

　　M：Yes，better safe than sorry.Let's go to another hall to learn more about how to protect ourselves.

　　S：25.__A__ Let's go.

　　A.Good idea.

　　B.How terrible!

　　C.It's my pleasure.

　　D.What are they about?

　　E.What do you think of them?

　　F.But it has meaning to everyone.

　　G.I think we are supposed to follow traffic rules.