Every boy and every girl ______ that eac
问题:
Every boy and every girl ______ that each day and each hour brings ______ duty.
A.know;their
B.knows;their
C.knows;its
D.know;its
Every boy and every girl ______ that each day and each hour brings ______ duty.
A.know;their
B.knows;their
C.knows;its
D.know;its