We should obey the traffic rules in order to keep ourselves .A. saveB. safeC. safelyD. saf

问题补充：

We should obey the traffic rules in order to keep ourselves .

A. save

B. safe

C. safely

D. safety

答案：

A. save

(答案→)B. safe

C. safely

D. safety

解析：save动词，救援，拯救；safe名词，保险箱。形容词，安全的，可靠的；safely副词，安全地；safety名词，安全，保险。句意：为了保证我们自己安全，我们应该遵守交通规则。结合语境可知本句是用形容词作宾语补足语，故选Ｂ。