Look and match.

A．Stand up!

B．Cross the road.

C．Turn left.

1. （________）
2.   （________）
3. （________）

Never _____ things made from animals in danger. (   )

A．buys

B．buying

C．buy

D．bought

—Act like a dog. （   ）
—________

A．OK.

B．Thank you.

C．Hello.

改写单词
1. They are going to _____________ (has) classes.
2. No _____________ (smoke).

翻译下列句子
1. Please use the sidewalk. It’s safe.
_____________________________________
2. Don’t play with fire. It’s dangerous.
_____________________________________
3. Please wait for the green light.
_____________________________________
4. We should remember the safety rule.
_____________________________________