There was a loud cry from the backstage immediately after the concert ended, _______?
A:wasn't there
B:was there
C:didn't it
D:did it
I_____ a girl.
已知△ABC中,∠A=∠B+∠C,则△ABC的形状是( )
有经验的果农,常在果树开花的时候,放养蜜蜂。这样做的意义不包括( )。