―ShallIbeginthelecture? -Iafraidwehavetowaitforawhile.J...
问题详情:―ShallIbeginthelecture? -Iafraidwehavetowaitforawhile.Johniscomingwithamicrophone.- .Icandowithoutthemicrophone.A.I'msorry B.Excuseme ...
问题详情:―ShallIbeginthelecture? -Iafraidwehavetowaitforawhile.Johniscomingwithamicrophone.- .Icandowithoutthemicrophone.A.I'msorry B.Excuseme ...