The upside-down catfish is the only fish that( )swims on its back.
A.正确答案Ahabitually
B.traditionally
C.commonly
D.randomly
The upside-down catfish is the only fish that( )swims on its back.
The upside-down catfish is the only fish that( )swims on its back.
A.正确答案Ahabitually
B.traditionally
C.commonly
D.randomly