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问题: 英语!

The Internet has brought ( )big changes in the
way we work

A.about
B.out
C.back
D.up


come over
come out
come about 这个四个词组是什么意思呢?
come up


_look,Mike is still asleep
-Oh,he ( )too late last night.
A.might stay up
B.should have stayed up
C.could stay up
D.must have stayed up
这个选D为什么不选C 啊?

解答:

The Internet has brought (A )big changes in the way we work
A.about
B.out
C.back
D.up
bring about:引起

come over:过来,抓住
come out:出来
come about:发生,产生
come up:上来,上升,抬头

look,Mike is still asleep
-Oh,he (D )too late last night.
A.might stay up
B.should have stayed up
C.could stay up
D.must have stayed up
肯定是昨晚睡得太迟了。