The Internet has brought big changes in the way we work．A. aboutB. outC. backD. up

发布时间：2020-08-15 01:55:28

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

网友回答

(答案→)A. about
B. out
C. back
D. up
解析：bring about 引起，符合句意。
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