1.Be careful!

2.Watch out!

3.Look out !

4.I have warned you not to do that!

5.It's dangerous.

6.Thanks for your warning.

7.Don't get into trouble.

8.Behave yourself!

9.Don't make any noise!

10.Mind your own business!

Dialogue One

A:Mom,may I play the card games for a while?

B:Do you?Dad is in the study.

A:I won't make any noise.Mom,please.

B:Behave yourself !Don't make any noise.Have you finished your homework?

A:Yes ,I 've finished.

B:Then let me see.

A:er.....,mom,I promise.I won't make a single noise.

B:All right.Just five minutes.Be sure not to touch anything.

A:Ok.I won't get into trouble.

B:Be careful!

A:Thanks for the warning,Mom.

Dialogue Two

A:Get out of the way.

B:Excuse me?

A:Be careful.That forklift is coming towards you.It's dangerous.

B:Thanks for the warning.

Dialogue Three

A:Watch out! It's dark over there.

B:That's all right.I can manage.

A:Be careful! The road is muddy.You might slip.

B:Thanks for the warning.

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