问题
选择题
Here is a survey about hopes and dreams ______ thousands of students took part.
A．at which
B．in which
C．with which
D．about which
答案
答案：B
题目分析：句意：这是一个有关希望和梦想的调查表，几千学生参加了这个调查。此处短语take part in意为：参加。这里in被前置。所以选B。