摘要：30．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 第二节 完成句子(共10小题.每小题1.5分.满分15分)
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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 |
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 |
The computer system _______suddenly while he was searching for information on the Internet.
| A．broke out | B．broke up | C．broke in | D．broke down |
The computer system suddenly_____ while he was searching for information on the Internet.
| A．broke out | B．broke up |
| C．broke in | D．broke down |
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 |