[单选题]It is over two years since my brother ______the army.A. joinsB. joinedC. has joinedD. had joined
[单选题]The project budget has been finalized.Additional work has been discovered t
[单选题]My uncle has been taught in this school _______ he was twenty years old.A. since B. for C. until D. after
[单选题][Up to now] ,the work has been easy.A.SoB..So longC..So thatD. So far
[单选题]During the last few years,it has been realized that maintenance of programs is more expensive than development,so reading of programs by humans is as important as (73) them.(73) A.editingB.writedC.writtenD.writing
[问答题]()He has been learning English for years.
[问答题]He has been learning English for years.
[问答题]He has been learning English for years.
[单选题]D.uring the last few years, it has been realized that maintenance of programs is more expensive than development, so reading of programs by humans is as important as(67)them.A.editingB.writedC.writtenD.writing
[单选题]D.uring the last few years ,it has been realized that maintenance of programs is more expensive than development, so reading of programs by humans is as important as(73)them.A.editingB.writedC.writtenD.writing