Almost ______ in our group has been to the 2nd Digital China Summit.It's fantastic.( )
A.someoneB.everyoneC.anyone
--- What are you doing here, Mrs. White? ---I'm waiting for my son. He________ back from school.
Shenzhou X, China’s fifth manned spacecraft, ________into space on June 11. 2013.
That poor man has for three years. A. died B. been died C. been dead
Jack _______ many English books in the past three years.
Jane the computer since 2006,so it doesn’t work well. A. have bought B. bought C. has had