![](https://lstatic.shangxueba.com/sxbzda/h5/images/m_q_title.png)
[主观题]
You should do out to take more ______. Don't always sit at the desk doing your.A.exercise,
You should do out to take more ______. Don't always sit at the desk doing your.
A.exercise, exercises
B.exercises, exercise
C.exercises, exercises
D.exercise, exercise
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)