A．Common sense may be different in various places or times.B．There is no doubt that virus is the cause.C．It’s almost impossible to define what is common sense.D．People often take contradictory attitudes towards one particular thing.
A．Common sense may be different in various places or times.
B．There is no doubt that virus is the cause.
C．It’s almost impossible to define what is common sense.
D．People often take contradictory attitudes towards one particular thing.