—How long has the nationwide ban (禁止) on plastic bags been put into practice? — _______ the beginnin

题目简介

—How long has the nationwide ban (禁止) on plastic bags been put into practice? — _______ the beginnin

题目详情

—How long has the nationwide ban (禁止) on plastic bags been put into practice?
— _______ the beginning of June.

[     ]

A. Behind
B. Since
C. Among
D. At
题型:单选题难度:偏易来源:模拟题

答案

B

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