Whodidtheteacher_____thearticle??
Who did the teacher _____the article? A. have wrten B. have write C. had written D. has writing
Whodidtheteacher_____thearticle?A.havewrittenB.havewriteC.hadwrittenD.haswriting本题选B。你可以这样理解:Theteacherhadwhowritethearticle.本题实际考察的是 sth.的结构。