---DoyouknowJackieChan?
---Yes,heis________greatactor.Ireallylikehismovies.
A、a-Look!Someone_______thefloor.It'sclean.
-Well,itwasn'tme.Iwentshoppingjustnow.
句子翻譯:警方正忙于查明事故的原因
Throughout_______history,Englishlanguagehasgonethroughmanychanges.
Beforeyouleavetheclassroom,please__thelights.
-HowdoyoulikethispieceofmusicbyTanDun?
-Well,ofallthemusicthathehaswritten,Ithinkthisishis_______one.