【判断题】政府投资的目的,主要是为了社会发展提供更多的公共设施。
【单选题】We have sent you our catalog____ seperate mail.
【判断题】政府投资的目的,主要是为了社会发展提供更多的公共设施。()
【单选题】Under separate , we have sent you some samples and a complete set of samle books.
【简答题】We have sent you _____ separate cover some samples of our products.
【简答题】We have sent you our Sales Contract No.22 __ duplicate for your confirmation.