there are so many dresses there that I really do not know ___to choose.

问题描述:

there are so many dresses there that I really do not know ___to choose.
A what
B when
C why
D which

答案:D which 哪一件 really!!!!可以具体点么? english 痴A what 什么B when 什么时候C why 为什么D which 哪一件,哪些这里用考察的是“疑问词+ 不定式”的用法,很显然,BC 不通。用what 是指没有范围的选择,而这里前面说到“有很多的裙子”,所以不知道该选哪一件。which 正确。