高等继续教育 / 经贸英语
正确率:100%
题型描述: 单选题
____ for over 30 years, we are confident we can give our customers complete satisfaction.
A.Being in business
B.In business
C.Having been in business
D.We are in business
____ for over 30 years, we are confident we can give our customers complete satisfaction.
A.Being in business
B.In business
C.Having been in business
D.We are in business
参考答案: