问题
选择题
Only when we saw the photos about the air crash_____ how terrible it was.
A had we known B we had known C did we know D we knew
答案
答案：C
搜题请搜索小程序“爱下问搜题”
Only when we saw the photos about the air crash_____ how terrible it was.
A had we known B we had known C did we know D we knew
答案：C
二、根据以下资料，回答106-110题。
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
求上表格中“x”的值( )。
A．39.3%
B．16.8%
C．54.5%
D．43.1%