37. You had some trouble finding where I live, ______? A. didn't you B. hadn't you C. do I D. don't I ...

29. We had some trouble ____ the house and nobody seemed ____ where it was. A. in finding...knowing B. finding...to know C. to find...knowing D. to find...to know ...

18. Sorry, I don‘t ______your opinion. A. agree B. care C. share D. accept ...

11. I covered 5 miles today, I never guessed that I could walk ___ far. A. that B. this C. such D. as ...

25. Every means ___been tried since then. A. have B. has C. is D. are ...

13. Our teacher told us that the earth _______ from west to east. A. turns B. turn C. has turned D. had turned ...

5. Is his salary enough to ___ ? A. live on B. live C. live in D. live with ...

38. I know you had many ideas, but you need not trouble ___ them. A. remember B. to remember C. remembering D. remembered ...

32. —Would you like to go for a walk with us ?—______, but I must finish my homework first. A. Of course not B. That's all right C. I'd love to D. Yes, I do ...

25. I woudl have told him the answer had it been possible, but I ___ so busy then. A. had been B. were C. was D. would be ...