仿照例子，完成对话。
A：It's cold .Put your coat on.
B:I am putting it on .look
1.A:Look at all thes old magazines.Please throw some away.
.B:Look.____________________________________.
2. A:Your shoes are wet.please take them off at the door.
B:____________________________________________Look.
3.a:It's late,robert.turm the tv off,piease.
b:look,Dad.________________________________.
4.A:Pick up your keys,Karen.
B:________________________________________ Look.
5.A:Put your gloves on,Billy.
B:look,Mum.____________________________________