问题补充:
This kind of bird is , and we should do what we can to it.
A. dangerous, save
B. endangering, protect
C. in dangers, save
D. in danger, protect
答案:
A. dangerous, save
B. endangering, protect
C. in dangers, save
(答案→)D. in danger, protect
解析:可联系答.案.网客服索取。