---DoyouknowabouttheRoadTrafficSafetyLaw?---Yeah.ItwentintoeffectinMay
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解决时间 2021-04-14 22:10
- 提问者网友:疯子也有疯子的情调
- 2021-04-14 07:57
---Do you know about the Road Traffic Safety Law?---Yeah.It went into effect in May and traffic safety in our city ________ since.A.improvedB.has improvedC.had improvedD.will have improved
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- 五星知识达人网友:街头电车
- 2021-04-14 08:51
B解析根据句中since一词,可判断应用完成时态,据句意确定B.
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- 1楼网友:像个废品
- 2021-04-14 10:25
感谢回答
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