问题
选择题
The professor said he wouldn’t attend the opening ceremony ____.
A．unless was invited
B．until inviting
C．without inviting
D．if not invited
答案
答案：D
搜题请搜索小程序“爱下问搜题”
The professor said he wouldn’t attend the opening ceremony ____.
A．unless was invited
B．until inviting
C．without inviting
D．if not invited
答案：D