28. My mother was very proud ______ me when I won the national competition.(A) of(B) to(C) at(D) int

問題詳情

28. My mother was very proud ______ me when I won the national competition.
(A) of
(B) to
(C) at
(D) into

答案：A
難度：非常困難0
統計：A(0),B(0),C(1),D(0),E(0)