1.______in the matriculation for postgraduate in a short time is really a hard nut． A．To make high scores B．Making high scores C．To make low goal D．Making low goal 2.I found ________ to answer all the questions within the time given． A．no possibility B．there was impossibility C．impossible D．it impossible 3.The students expected there _____ more reviewing classes before the final exams． A．is B．being C．have been D．to be 4.You’re going to England next year. You should now practise ______ English as much as possible. A. speak B. to speak C. speaking D. Speak about 5.If we don’t start out now, we must risk ______ the train. A. miss B missing C. being missed D to miss 6. The flexibility of film allows the artist _______ unstrained imagination to the animation of cartoon characters. A．to bring B．brining C．is brought D．brings 7.Although the lecture had already been on for five minutes，I still was not able to find a chair____. A. to sit B．for to sit on C．to sit on D．for sitting 8. Surely her daughter would make an even bigger effort ______ her? A．please B．pleased C．to please D．having pleased 9.Lots of empty boots were found under the old man’s bed. He must have done nothing but ______. A. drink B. to drink C. drinking D. drunk 10.The local health organization is reported ___ twenty-five years age when Dr. Adudon became its first president. A. to be set up B. being set up C. to have been set up D. having been set up 11.I heard him __the door A. locking B. to lock C. lock D. being locking 12.He does nothing but___ A. complaining B.to complaining C. complain D. to complain 13.The students expected there___ more reviewing classes before the final exam. A. is B. being C have been D. to be 14. The bank is reported in the local newspaper ___ in broad daylight yesterday. A. to be robbed B. robbed C. to have been robbed D. having been robbed 15.I appreciated ______the opportunity to study abroad two years ago. A. having been given B. having been C. to have been given D. to have given 16.There is no point ___further. A. argue B. to argue C. arguing D. being arguing 17.Nowhere in nature is aluminum found free, owing to its always ___with other elements, most commonly with oxygen. A. combined B. having combined C. combine D. being combined 18.They stopped ___, but now I’m getting interested. A.listening B.to listen C. listen D. having listening 19.I am sorry to hear that you resorted ___ A. to cheat B. to cheating C. cheating D.cheat 20.He wasn’t asked to take on the chairmanship of the society, ___ insufficiently popular with all members. A. being considered B. considering. C. to be considered D. having considered 21.___of the burden of ice , the balloon climber up and drifted to the South. A. To be free B. Freeing C. To free D. Freed 22.___exceptions, the rule may stand. A. Allow for B. Allowing for C. To allow D. To allow for 23.All flights___ because of the snowstorm, we decided to take the train. A. were canceled B. had been canceled C. having canceled D. having been canceled 24.John painted her sitting in a chair with her hands ___ A. folding B. to have folded C. to fold D. folded 25.Its easy to blame the decline of conversation on the pace of modern life and on the vague changes ___place in our ever-changing world. A. taking B. to take C. take D. taken