Smoking ________ your health. 
#63698
A
isbadfor
B
isgoodfor
C
isgoodto
D
isbadto
推荐题目
 I have        from my hometown for about 6 years.
#56770
A
left
B
been away
C
gone
D
moved
___ study in No.4 Middle School? 
#57141
A
Did you used to
B
Did you use to
C
Do you used to
D
Do you use to