问题
选择题
19．China is a great country with a long history, ______ we all know it.
A．as
B．so
C．but
D．and
答案
答案：D
搜题请搜索小程序“爱下问搜题”
19．China is a great country with a long history, ______ we all know it.
A．as
B．so
C．but
D．and
答案：D