many reports,many events,and many performances need to be 主要是performances 我不太理解,字典里performances 是表演；执行

Many Many many companies require their employees to hand in reports of their businees trips. many reports,many events,and many performances need to be 主要是performances 我不太理解,字典里performances 是表演；执行 it____ last week that the haze in beijing caused many problemsA.reports B.reported C.is reported D.was reported many many many 3ks~ many .many of用法 Reports It's___last week that the haze in Beijing caused many problemA,reports B.reported C is reported D was reported不太清楚…… 英语翻译单项填空 求答,翻译句子,It ＿＿last week that haze in Bejing caused many problems.A.reports B.reporedC.is reported D.was reported how many visit many too many so many Many other Many thanks many a score many