问题补充:
There are three girls in the room, is Toms sister.
A. the tallest of which
B. the tallest of whom
C. tallest of that
D. tallest of which
答案:
A. the tallest of which
(答案→)B. the tallest of whom
C. tallest of that
D. tallest of which
解析:可联系答.案.网客服索取。