A:但手熟尔(只)
B:但微颔之(下巴)
C:惟手熟尔(只,不过)
D:康肃忿然(气愤)
Did your grandma ____(dance, danced) in lots of cities?
我国少数民族个数最多省区是( )
有关生物膜结构与功能的叙述,正确的是 ( )