阿摩線上測驗
6. The really important issue of the conference on the novel Coronavirus Disease 2019 this month, stripped of all other considerations,__________ the morality of doing a research project.
(A) are
(B) is
(C) was
(D) were。
答案：登入後查看
統計： A(7), B(89), C(55), D(20), E(0) #2236377
統計： A(7), B(89), C(55), D(20), E(0) #2236377
