29、The young man was walking, with his arms       across his shoulders.

       A．fold                    B．folding                C．folded                 D．to fold

28、Harry is second       speed       none as a famous athlete.

       A．in; to                   B．at; with               C．at; to                   D．in; with

27、He was careless: Such mistakes       .

       A．could be avoided                                  B．could avoid

       C．could have avoided                              D．could have been avioded

26、You must explain       how they succeeded       the experiment.

       A．of us; to              B．at us; at               C．to us; in              D．for us; in

25、―Lily, it’s your turn to clean the room.

―       ?

       A．Mine                   B．Me                      C．I                         D．My

24、―Excuse me, but I don’t think you can smoke here.

―Really sorry, I       this is a non smoking room

       A．don’t know         B．didn’t know         C．have no idea        D．haven’t known

23、 What he has done is far from __________.

      A. satisfactory            B. satisfied               C. satisfaction             D. satisfy

22、I suppose you’d better get it finished this afternoon, _________?

      A. don’t I          B. don’t you            C. hadn’t I                  D. hadn’t you

21、---- Her grandpa passed away the other day.

---- ____________

      A. Sorry to hear that.                        B. What shall we do?

      C. How do you like him?                   D. He was a kind man.

20、---- The police have caught the murderer.

---- Yes, and he admitted __________ his boss on a rainy night seven years ago.

      A. to kill            B. to have killed        C. having killed           D. have been killing