This computer doesn’t work properly, because the operating system has         .
#69726
A
broken up
B
broken down
C
broken out
D
broken away
推荐题目
I prefer studying English at home________the match.
#64086
A
to watching
B
than watching
C
rather than watch
D
to watch
How do you ______ the failure of your final examination ?
#65634
A
account for
B
call for
C
reach for
D
send for
The evidence has ______ the first witness’s story.
#74873
A
confused
B
accumulate
C
confirmed 
D
attached