Doyouknow________?
A、whattimedoeshehavelunchBeforeyouleavetheclassroom，please__thelights.
Chairperson Xi calls on us to do what we can_______ as much as possible.
Whoseeraseristhis?
--It's________.
-Could you tell me_______?
-Until tomorrow afternoon.
-HowdoyoulikethispieceofmusicbyTanDun?
-Well,ofallthemusicthathehaswritten,Ithinkthisishis_______one.
