单选题
编号：2579081
1.Whatstagecanthefollowinggrammaractivitybeusedat?
Theteacheraskedstudentstoarrangethewordsofsentencesintodifferentcolumnsmarkedsubject,predicate,object,objectcomplement,adverbialandsoon.
- A.Presentation.
- B.Practice.
- C.Production.
- D.Preparation.