几道改错题（在线等）
（）1 Mingming will open the TV as soon as
A ----------B
he goes back from school._______
---------C D
()2My old parents' health is a big problem
A B C
which always worries about me
------------D
1 Mingming will open the TV as soon as he goes back from school._______
2My old parents' health is a big problem which always worries about me －－－－－