精选优质文档-倾情为你奉上1.Id like to take _ of this opportunity to thank all of you for your efforts.A. profitB. benefitC. occasionD. advantage2.In copying this paper, be careful not to leave _ any words.A. outB. aloneC. offD. behind3.When doing the wash, it is important to _ white and colored clothing.A. compareB. separateC. establishD. contrast4.We finally _ an agreement after a l
