单项选择题
Information about the current foreign markets （） very important to our company.
A.is B.was C.are D.were
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.
单项选择题 We must have the goods not later than 20th October （） our stock is running short.
