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The computer system（）suddenly while he was searching for information on the Internet.
- A、broke down
- B、broke out
- C、broke up
- D、broke in
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单选题The computer system（）suddenly while he was searching for information on the Internet.A
broke downB
broke outC
broke upD
broke in
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单选题A
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单选题The screen of my computer went（）suddenly.A
backB
blankC
emptyD
nothing
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