搜题，就来5TiKU.com题库【问题】 Since the beginning of last year, these regulations _____ in most workplaces across the city.Abe introducedBwill be introducedChave introducedDhave been introduce
Since the beginning of last year, these regulations _____ in most workplaces across the city.Abe introducedBwill be introducedChave introducedDhave been introduce
正确答案：C
题目解析：本题出自江苏开放大学，江苏开放大学大学英语（B）（1）作业3，由丰阳塔题库搜集整理。
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