问题
选择题
The modern plane is not the machine _____ it was when first invented.
A．than
B．as
C．that
D．what
答案
答案：C
搜题请搜索小程序“爱下问搜题”
The modern plane is not the machine _____ it was when first invented.
A．than
B．as
C．that
D．what
答案：C