20.stay cool

19.take a photo /picture　 of…　 请帮我们拍张全家福.Please _________

　 take photos /pictures of …　 ________ ________ ______ my family.

18. pick up sth. (it/ them)

17. a piece of advice　　　 some advice　　　 ask sb. for advice

16．It is …for sb. to do sth.

It is kind /nice of sb. to do sth.

It’s very nice ______ you to get me two tickets of the World Cup.

It’s very dangerous________ children _________play in the street.

15．climb out of …

12.play back

e on　　　 The light doesn’t come on.　　 Come on! Let’s go!

ect …to…

11.How does it work?

10.send sth. to sb.　 请把这个包寄给日本。Please ______ the bag ______ Japan.

9.turn on sth.　　　　　 (it/them)　

turn off sth.　　　　　 The baby is sleeping, please ______ _____the recorder

　A. turn on　 B .turn off　　 C.turn up　　 D.turn