问题

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

正确答案是：

同类题型

When can I use your computer?— Never!________should you touch it.[ ]

He is, how shall I ________， not fat but rather well built.

You can get to your destination earlier ______ you don’t mind taking the night train.[ ]

When did the old man die—In 2008. He________ for nearly five years.

could you pass me