问题
The Internet has brought ____big changes in the way we work
A:about
B:out
C:back
D:up
B:out
C:back
D:up
正确答案是：
同类题型
Has John repaired his washing machine—He had it________，because he was so busy.
Listen! I can hear Simon _____ in the next room. And we often hear him ______.
The old man became______ several years ago. He could no longer see anything.
_______surprised me most was the suggestion that he _____31-35 BBDAC