The computer system ______ suddenly while he was searching for information.
#68622
A
broke down
B
broke out
C
broke up
D
broke in
推荐题目
I remembered my grandma _________ me stories when I was a little child.
#72461
A
used to tell
B
used to telling
C
was used to tell
D
is used to telling
 You’d better ______ your scores and see if you have passed the exam.
#68897
A
add up
B
go through
C
set down
D
come up