问题补充:
The skirt she spent 50 yuan is very beautiful on her.
A. in which
B. on which
C. for which
D. which
答案:
A. in which
(答案→)B. on which
C. for which
D. which
解析:考查定语从句。本题的先行词是the skirt,定语从句中缺少on the skirt,用介词on +which引导定语从句,句意:她花了50块钱买的裙子穿在她身上很好看。故B正确。