【正文】 ing is _________. A. to believe B. believing C. believed D. being believed23．The scientist suggested ____ the experiment in a different way. A. do B. to do C. doing D. done24．Don39。t forget _____ this book to John when you see him.　　A. to return B. returning C. return D. to returning25．Only one of these books is _____.　　A. worth to read B. worth being read C. worth of reading D. worth reading26．We are both looking forward to _____ next week.　　A. going on vacation B. go on vacation　　C. be going on vacation D. have gone on vacation27．He had no difficulty _____ the problems.　　A. working out B. having worked out C. to have worked out D. to work out28．I regretted _____ that to her.　　A. having said B. to have said C. to say D. /29. The secretary worked late into the night , ________ a long speech for the president . A. to prepare B. preparing C. prepared D. was preparing30. Don’t have the machine ________ all the time . It will go wrong . A. to run B. running C. been run D. run31. The food was delicious . That was a __________ meal . A. satisfying B. satisfied C. satisfaction D. satisfy32. Look around when __________ the street . A. across B. crossing C. crossed D. to be crossing33. In the morning she found her father _____________ in bed , dead . A. lying B. lie C. lay D. laying34. I saw him ________ into your room when you were not in. A. gone B. going C. went D. to go 35. Please keep quiet. Father is busy ________. A. work B. to work C. working D. works36. Sally had no pen ____ yesterday morning. A. to write B. to write with C. writing D. writing with37. It’s time for class. Stop _________, please. A. to talk B. talk C. talks D. talking 38. You should work tonight instead of ________ TV. A. to watch B. watching C. to watching D. watched 39. Listen! Can you hear the girl _________ the piano in the next room? A. to play B. play C. playing D. plays40. Mr. Wang came into the office without _________ the door. A. knock B. knocking at C. to knock at D. knocking to 實戰(zhàn)演練（三）1. Paul doesn’t have to be made _______. He always works hard.A. learn B. to learn C. learned D. learning2. You can’t have the horse ______ all the way. It’s too hot.A. run B. to run C. running D. to be running3. When I came back, I found the house ______ and everything _____.A. was broken。 took away B. broken into。 taken awayC. had been broken。 taken D. break into。 take away4. The house they _____ in the floods must be rebuilt before winter es.A. had washed away B. had to wash away C. had them washed away D. had washed them away5. I was fortunate to pick up a wallet ____ on the ground on the way back home, but unfortunately for me, I found my color TV set ____when I got home.A. lying。 stolen B. laying。 stealing C. lay。 stolen D. lying。 stealing6 –Did you hear her ______ this pop song this time the other day?Yes, and I heard this song ______ in English.A. sing。 singing B. sung。 sung C. sung。 singing D. singing。 sung7. The money collected should be made good use _____ the people in South Asia who suffered a lot in the killer earthquake and tsunami.A. of help B. to help C. to helping D. of to help8. When I came home last night, I saw my little kid _____ on the bed, with his whole attention ______ upon the book about Harry Porter.A. lying。 fixing B. lay。 fixed C. sitting。 to fix D. seated。 fixed9. Laws that punish parents for their little children’s actions against the laws get parents _____.A. worried B. to worry C. worrying D. worry10. On my way home。 I saw a thief _____ money from a lady by the police.A. being caught B. having caught C. caught stealing D. have caught to stealing11. Mrs. Brown was much disappointed to see the washing machine she had had ____ went wrong again. A. it B. it repaired C. repaired D. to be repaired12. The result of the entrance exams was not made _______ to the public until last Thursday.A. knowing B. known C. to know D. to be known13. The managers discussed the plan that they would like to see ______ next year.A. carry out B. carrying out C. carried out D. to carry out14. He39。d like to get it ______ today while they are at it.A. settled B. settling C. to settle D. being settled15. I39。ve had my radio _____ so soon because my father had me _____ it.A. repair。 done B. repaired。 do C repairing。 do D. repaired。 done16．China is a_____________ country. A. developed B. developing C. to develop D. develops17. __________ a new pair of glasses, she can read easily. A. to wear B. worn C. wear D. wearing story is ____________________. A. interest B. interested C. interesting D. to interest19. Damin sits on the side of the river, __________ the meal for himself. A. cooked B. cooks C. to cook D. cooking entertainment building ___________ will be pleted next year. A. being built B. built C. be built D. to build一．根據(jù)句意，用所給動詞的適當(dāng)形式填空。1. Is it necessary ____________(learn) a foreign language? 2. He is good at _____________(swim).3. Do you have anything ____________(say) for yourself?4. It’s spring now. it’s time _____________(plant) trees.5. Don’t keep me _______(wait) for a long time.6. The policeman told the boys not ____________(play) in the street.7. Her son is too young __________(dress) himself. 8. Let’s __________(have) a rest, shall we?9. The speaker spoke too quickly for us ____________(understand).10. The little boy is not old enough________(read).11. I asked him __________(show) me his new pen.12. Knives are used for ____