Through doing this,the teacher will be able to ascertain the extent to__the children understand what they are reading.
单选题
2022-01-04 02:21
A、how
B、which
C、that
D、what
查看答案
正确答案
B
试题解析
考查定语从句。主句为“the teacher will be able to ascertain the extent",先行词为extent,定语从句为“to__ the children understand what they are reading”,短语to ... extent意思是“到…程度”。句意为“这样做,老师就能确定孩子们对他们所读的内容理解到什么程度了”。故选B。