高等继续教育 / 经贸英语
正确率:100%
题型描述: 单选题
____ you make a 10% reduction, we will have to decline your offer this time.
A.Unless
B.When
C.Except
D.As
____ you make a 10% reduction, we will have to decline your offer this time.
A.Unless
B.When
C.Except
D.As
参考答案: