问题
选择题
The visiting professor gave us some advice, ____ of great help to our English learning.
A．I think it is
B．I think which is
C．which I think is
D．which I think it is
答案
答案：C
搜题请搜索小程序“爱下问搜题”
The visiting professor gave us some advice, ____ of great help to our English learning.
A．I think it is
B．I think which is
C．which I think is
D．which I think it is
答案：C