问题
选择题
I have no idea ______ it is that makes him puzzled.
A．how
B．what
C． why
D．which
答案
答案：B
词义辨析。A. 怎样 B. 什么C.为什么 D.哪一个。句意：我不知道是什么让他迷惑不解。从句缺少主语，故选B。
搜题请搜索小程序“爱下问搜题”
I have no idea ______ it is that makes him puzzled.
A．how
B．what
C． why
D．which
答案：B
词义辨析。A. 怎样 B. 什么C.为什么 D.哪一个。句意：我不知道是什么让他迷惑不解。从句缺少主语，故选B。