- —I'm sorry, this kind of PSP is too expensive. I can't afford _____ it.—It's OK.A. buyB. boughtC. to buyD. buying
- It's necessary _____ you _____ help each other and learn from each other.A. of, toB. for, toC. to, toD. that, to
- We must try our best _____ our English.[ ]A. improveB. improvingC. improvedD. to improve
- 句型转换。1. I used to be afraid of flying in an airplane. (改为同义句)I used to be afraid ___________ in an airplane...
- Would you like _____ fishing with me?A. goB. to goC. goingD. goes
- Mary likes _____ with his friends this afternoon.A. swimingB. to swimC. swimsD. swim
- —Would you like _____ shopping with me?—Yes, I'd love to. A. goB. goesC. to goD. going
- —What do you think of New York City?—It's a good place _____.A. have funB. having funC. to have funD. for funny
- Farmers shouldn't keep _____ the forests but should continue _____ more trees.[ ]A. cut down, plantB. cutting down, t...
- He was made _____ the blackboard.[ ]A. cleanB. cleaningC. to cleanD. cleaned
- He was seen _____ something from the shop.[ ]A. stealB. to stealC. to be stolenD. stealed
- The boy is too busy _____ with the boys _____ his mother come back home.[ ]A. playing; to seeB. to play; to seeC. pla...
- I think _____ important for him _____ the work without any help.[ ]A. this; finishingB. that; to finishC. it; finishi...
- It may be dangerous _____ a car _____ a snowy day.[ ]A. to drive, inB. to drive, onC. drive, inD. drive, on
- Be sure to warn the children _____ play football in the street.[ ]A. toB. to beC. not toD. not be