2. 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 3. Surely her daughter would make an even bigger effort ______ her? A.please  B.pleased  C.to please  D.having pleased 4. 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  5. 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  6. I heard him __the door A. locking   B. to lock   C. lock   D. being locking  7. He does nothing but_____. A. complaining   B. to complaining   C. complain   D. to complain 8. The students expected there___ more reviewing classes before the final exam. A. is  B. being   C have been   D. to be  9. 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  10. 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  11.___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 12.___exceptions, the rule may stand. A. Allow for   B. Allowing for    C. To allow  D. To allow for 13.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  14.John painted her sitting in a chair with her hands ___ A. folding  B. to have folded  C. to fold  D.  folded  15.It’s 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 16.I worked so late in the office last night that I hardly had time __the last bus.   A. to have caught   B. to catch   C. catching   D. having caught 17.I have got a loaf of bread; now I’m looking for a knife____. A. to cut it with   B. to cut with it  C. with it to cut   D. it to cut with 18.I must make full use of the time ___left to me and do as much as I can for the people. A. there being  B. there is  C. there are  D. there to be 19.On seeing the young child ___into the lake, John sprang to his feet, and went to the rescue. A. fell  B. fall  C. falling  D to fall 

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