问题
选择题
It so happened that they________ the novel before.
A．had read
B．would read
C．were reading
D．Read
答案
答案：A
搜题请搜索小程序“爱下问搜题”
It so happened that they________ the novel before.
A．had read
B．would read
C．were reading
D．Read
答案：A