题目内容
Barack Obama has taken personal blame ________ the security failures which led ________ the attempt to blow up a plane on Christmas Day.
A. of; to B. for; to C. on; on D. in; on
B
练习册系列答案
相关题目
题目内容
Barack Obama has taken personal blame ________ the security failures which led ________ the attempt to blow up a plane on Christmas Day.
A. of; to B. for; to C. on; on D. in; on
B