已知集合A={x|3≤x≤6}，B={x|2＜x＜9}．

（1）分别求∁_R（A∩B），（∁_RB）∩A

（2）已知C={x|a＜x＜a+1}，若C⊆B，求实数a的取值集合．

句型转换。

1.  He gets home at five in the afternoon.  (就划线部分提问) 

     _____ _____ _____ he_____ home in the afternoon?

2.  I think Tom is at home.  (否定句)

     I _____ think Tom _____ at home.  

3.  I want to know about his morning. (改为一般疑问句)

     _____ you _____  to know about his morning ?

4.  What's the time? (改为同义句)

     _____ _____ is it?

5.  Jack's family has one shower.  (就划线部分提问) 

     _____ _____ _____ does Jack's family _____ ?