题干

By no means _______promised to keep you ______of how their business was going on.
A.he has;informing B.he has;informed
C.has he;informingD.has he;informed
上一题 下一题 0.64难度 单项选择 更新时间:2012-07-16 06:03:12

答案(点此获取答案解析)