4. For hours, we have heard nothing but negative criticism. Why can't you say something more______?
(A) ambitious
(B) synthetic
(C) determined
(D) constructive

答案：登入後查看
統計： A(6), B(4), C(7), D(31), E(0) #682058

Ann

B1 · 2015/10/30

#1179928

adj.
1.構成的，建設(性)的；積極的。
We shall appreciate your constructive suggestions .
我們將感謝你方的建設性建議。
http://tw.ichacha.net/constructive%20.html