-Are there _______ halls in the building?
-Yes, there are _______.
A:some; some
B:any; any
C:some; any
D:any; some
情绪与人生相随。喜、怒、哀、乐是人类情绪的四种基本形式。( )
如图,△ABC中,∠ACB=90°,沿CD折叠△CBD,使点B恰好落在AC边上的点E处.若∠A=22°,则∠BDC等于( )