_____seen,itwillneverbeforgotten.
A、OnceGenerally , the weather in Britain is_____ too cold in winter _____ too hot in summer .
Theteacheraskedthechildren_____they_____thethingsintheladthatmorning.
--CanIspeaktoMrSmith,please?
--_________.Heisgivingatalkatameeting.
Therearemanyislands______thecoastofChina.
The doctor let the patients ______the soft music, because it helped make them _____.