-----An ant has two stomachs --- one for
问题:
-----An ant has two stomachs --- one for itself, one for others.
-----Really? Quite interesting. I ____ anything about it.
A.don’t know
B.have known
C.haven’t known
D.didn’t know
-----An ant has two stomachs --- one for itself, one for others.
-----Really? Quite interesting. I ____ anything about it.
A.don’t know
B.have known
C.haven’t known
D.didn’t know