【題組】20).(A).at the top of(B).on the part of(C).at the foot of(D).on the ground of

問題詳情

【題組】20).
(A).at the top of
(B).on the part of
(C).at the foot of
(D).on the ground of

答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)