1 Where to get the materials and how to get them ___________ at the meetingA have not been discussed B has not been discussed2 _______ knowledge of space develops rapidlyA Man's B The Man's C A Man's D Men's
问题描述：
1 Where to get the materials and how to get them ___________ at the meeting
A have not been discussed B has not been discussed
2 _______ knowledge of space develops rapidly
A Man's B The Man's C A Man's D Men's
答
A have not been discussed两个问题用复数
A Man统称人类
答
1. A 算两件事
2 A 因为man泛指人类
答
A
A
答
1,A
2,A
答
1. A 过去完成时的否定式 这句话是在会议结束之后讨论的
2个问题用复数
2. MAN统指人类!