8. learning how to repair motors takes a long time,________?

　　A. doesn't  it    B.  don't  they    C.  does it    D.  do they

　　9.They must have stayed at home last night,________?

　　A. mustn't  they    B.  haven't  they    C.  didn't  they    D.  must they

　　10.I feel like going to the cinema tonight,________?

　　A. don't  I    B.  don't  you      C.  do I    D.  do you

　　11.Let's  start out early tomorrow morning,________?

　　A. shall we     B.  will you    C.  do you    D.  can't  you

　　12.There's  not much news in today's  newspaper,________?

　　A. isn't  it    B.  is it    C.  isn't  there    D.  is there

　　13.They need our help badly at the moment,________?

　　A. needn't  they    B.  need they    C.  don't  they    D.  do they

　　14.She is unfit for the position,________?

　　A. is she    B.  isn't  she     C.  doesn't  she    D.  does she

　　15.I wish to visit America,________?

　　A. don't  I      B.  can I    C.  may I    D.  may you

　　16.She's  been a worker here for many years,________?

　　A. isn't  she    B.  is she    C.  hasn't  she    D.  has she

　　17.What beautiful flowers,________?

　　A. aren't  they    B.  are they    C.  isn't  it    D.  is it

　　18.Mother used to live in a poor village,____________?

　　A. used she    B.  usedn't  she    C.  didn't  he    D.  did he

　　19.You'd better go at once,________?

　　A. wouldn't  you    B.  had you    C.  hadn't  you    D.  should you

　　20.I am very interested in Mark Twain's  novels,________?

　　A. aren't  I    B.  am not I    C.  aren't  you    D.  are you