—When did the world come into .—It is hard to say.A. existenceB. effectC. useD. practise

发布时间：2020-08-17 15:10:10

—When did the world e into     .
—It is hard to say.
A. existence
B. effect
C. use
D. practise

网友回答

(答案→)A. existence
B. effect
C. use
D. practise
解析：e into existence是固定搭配，意为“形成”。
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