问题
选择题
Some pre-school children go to a day care center,____ they learn simple games and songs.
A．then
B．there
C．while
D．where
答案
答案：D
本题中用where引导定语从句，先行词是a day care center，where在定语从句中做地点状语。注意then和there是副词，不能引导定语从句。While虽然是连词，但是只能用来连接状语从句。