( )was pointed above, this substance can be used as a substitute.

admin2017-03-25  23

问题 ( )was pointed above, this substance can be used as a substitute.

选项 A、It
B、That
C、What
D、As

答案D

解析 本题考查定语从句。本题由as引导定语从句,指代后面的整个句子,在从句中担当主语成分。
转载请注明原文地址:https://jikaoti.com/ti/f5GYFFFM
0

最新回复(0)