Theoldwomanhastwosons,one______isateache
题型:选择题
问题:
The old woman has two sons, one ______ is a teacher. [ ]
A. of who
B. of whom
C. of which
D. of them
The old woman has two sons, one ______ is a teacher. [ ]
A. of who
B. of whom
C. of which
D. of them