32、―I can’t find Fred. Where did you last see him this morning?

―It was in the office       he worked.

       A．that                     B．where                 C．which                 D．since

31、When you       a lady, what should you say?

       A．knocked on                                         B．knocked into

       C．knocked down                                    D．knocked out

30、Happily for John’s mother, he is working harder to       lost time.

       A．make up              B．keep up with        C．catch up with      D．make use of

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、With the electric map ______ in the car showing the exact position, the driver drove in the right direction of the destination .

   A. fixed           B. fixing         C being fixed       D. to be fixed