Teenagers       their health because they play computer games too much.
#104862
A
have damaged
B
are damaging
C
damaged
D
will damage
推荐题目
Mr. Black _____ for Shanghai in a few days. Do you know when the earliest plane _____ on Sunday. 
#101752
A
leaves; takes off
B
is leaving; takes off
C
is leaving; is taking off
D
leaves; is taking off
The fire started in the basement and quickly____________ to the first floor where it destroyed all the______________ in the language lab.
#104813
A
was spreaded;furniture and equipments
B
was spreaded ;furniture and equipment
C
spread;furnitures and equipments
D
spread ;furniture and equipment
He______to several European counties so far.
#103236
A
was
B
has been
C
had been
D
will be