问题
选择题
Great changes have taken place in that school. It is no longer _______ it was 20 years ago, _______ it was so poorly equipped.
A.what; when
B.that; which
C.what; which
D.which; that
答案
答案:A
本题考查的是名词性从句中的表语从句,后面表语从句不完整,it was 后面还缺少表语,根据意思是“20年前的样子”,后面一个句子是对20年前的补充说明,是一个非限制性定语从句,20年前学校设备条件不好,when 在定语从句中作时间状语。