--- I saw John and her girlfriend Jane in the museum yesterday afternoon!

---  You        them! John was giving a lecture right here in this room the whole afternoon.

       A．mustn’t have seen                               B．might not have seen

       C．shouldn’t have seen                             D．couldn’t have seen

Smoking increases the risk of heart disease. The average smoker is about        to die of a heart attack as a non smoker.

       A．twice more likely                                 B．twice so likely

       C．twice as likely                                     D．twice likely

      126 kilos, the woman had great difficulty walking about.

       A．Weighed              B．To weigh             C．Weighing             D．Being weighed

       such expectations abroad, as well as at home, will clearly be one of Mr. Obama’s biggest challenges.

       A．Manage               B．Managing            C．Managed             D．Having managed

Visitors and competitors alike could       fail to        by the smiling faces, eagerness to help and enthusiasm shown by the hosts.

       A．hard … impressed                               B．hardly … be impressed

       C．hardly … impressed                             D．hard … have impressed

If it        the joint efforts made by us as a people, we couldn’t have achieved a series of great success in so many events this year.

       A．had not been for                                  B．were not for

       C．should not be for                                 D．were it not to be for

In his address at the end of the summit, Mr. Bush said       the financial crisis facing the United States and many other countries was a severe one.

       A．it is no wonder that                              B．there was no doubt that

       C．it has no wonder if                               D．there is no doubt whether

The world         never needed mutual understanding, mutual toleration and mutual cooperation as much as it        today

       A．has… does          B．have … is            C．had … has           D．had… will

     tuition fees, colleges charge postgraduates additional annual fees of about $ 2,000.

       A．Besides               B．With                    C．Except                D．Except for

Tom is a brilliant, hardworking student,        will be successful whatever career he chooses.

       A．the one who        B．one who              C．who he               D．that he