单项选择题
（）in the labor market,he has enrolled in a computer course.
A.Be competitive B.Being more competitive C.Being competitive D.To be more competitive
单项选择题 Information about the current foreign markets （） very important to our company.
单项选择题 Of all the solutions to the disputes,the one proposed by Mr.Jackson is （）.
单项选择题 The export sewing machines （） in stout water-proof material,and （） in pairs in light-weight crates.
