Helen was much kinder to her youngest so
题型:选择题
问题:
Helen was much kinder to her youngest son than to the others, ______, of course, made the others envy him.
A.who
B.which
C.what
D.that
Helen was much kinder to her youngest son than to the others, ______, of course, made the others envy him.
A.who
B.which
C.what
D.that