In the past few years,Chinese-style(中国式) street-crossing ______ hot discussion.A.was broughtIn the past few years,Chinese-style(中国式) street-crossing ______ hot discussion.A.was brought B.has brought C.was bringing D.brought

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Inthepastfewyears,Chinese-style(中国式)street-crossing______hotdiscussion.A.wasbroughtInthepastfewyears

In the past few years,Chinese-style(中国式) street-crossing ______ hot discussion.A.was broughtIn the past few years,Chinese-style(中国式) street-crossing ______ hot discussion.A.was brought B.has brought C.was bringing D.brought
In the past few years,Chinese-style(中国式) street-crossing ______ hot discussion.A.was brought
In the past few years,Chinese-style(中国式) street-crossing ______ hot discussion.
A.was brought B.has brought C.was bringing D.brought

In the past few years,Chinese-style(中国式) street-crossing ______ hot discussion.A.was broughtIn the past few years,Chinese-style(中国式) street-crossing ______ hot discussion.A.was brought B.has brought C.was bringing D.brought
In the past few years,现在完成时的标志,所以选B
类似的有,already(肯定),yet(否定,疑问),just,before,recently,still,lately,never,ever,never,twice,on several occasion,in the past few days/weeks/months/years,(up to)these few days/weeks/months/years,this morning/week/month/year,just,up to present,so far,up to now,till now,since+时间