Question

.单项选择,（1）空格is mentioned above ,the number of the students in

Answer 1

1.As is mentioned above

2.by which time

3.as

4.which

5.where

6.不填

这些都是高中的定语从句语法题,你可以看看相当语法书,或者寻求相关帮助.

祝愉快!