问题补充:
The skirt she is wearing today was a birthday present from her mother.
A. this
B. whose
C. what
D. that
答案:
A. this
B. whose
C. what
(答案→)D. that
解析:句意:她今天穿的这条裙子是她妈妈送给她的生日礼物。这里是that 引导的一个定语从句,先行词是the skirt,that 在定语从句中做wear 的宾语。A和C不能引导定语从句。B选项的意思是……的。