1/ why does Rachel stay in bed? 
=> she stays in bed because she is sick 
2/ how often do you go to the office? 
=> I often go to the office by bicycle 
3/ whose laptop does your sister carry?
=> she is carry mine (ko chắc) 

Bài 1:
1, What time
2, Which
3, Who
4, Why
5, How often

Bài 2:
1, Why does Rachel stay in bed?
=> She stays in beb because she is sick
2, How often do you go to the office?
=> I go to the office by bicycle
3, Whose laptop does your siter carry ?
=> She is carry mine
Tick điểm nha !