【正文】
C . has 。 studied D . are 。 studying We ______ Xiao Li since she was a little girl . A . know B . had known C . have known D . knew Harry Potter is a very nice film .I_______ it twice . A . will see B . have seen C . saw D .see — These farmers have been to the United States . — Really ? When _____ there ? A . will they go B . did they go C . do they go D . have they gone — ______ you ___ your homework yet ? — Yes . I _____ it a moment ago . A . Did 。 do 。 finished B . Have 。 done 。 finished C . Have 。 done 。 have finished D . will 。 do 。 finish 1 His father ______ the Party since 1978 . A . joined B . has joined C . was in D . has been in 1 — Do