七、根據(jù)圖意,將下列對話補(bǔ)充完整。
1.

A:What does that sign mean?
B:It means "
Wet
floor
".
A:Oh,I see. We should be careful here.
2.

A:Don't
smoke
here. Look at the sign. It means "
No
smoking
".
B:I'm sorry.
3.

A:What can't we do in the library?
B:Look at that sign on the wall.
A:What does it mean?
B:It means we can't
eat
or
drink
here.
4.

A:The park is so clean and beautiful.
B:Yes. Look! There is a sign. It means "
No
littering
".
5.

A:Dad,there is a river. Let's go fishing!
B:No,Taotao. Look! There is a sign over there.
A:What does it mean,Dad?
B:It means "
No
fishing
".
6.

A:Be careful,Simon. There is a sign. It means "
Danger
".
B:Oh,yes. The worker is working on the road. I'll drive slowly.