Mn làm nhanh nhanh giúp em, ko cần làm hết nhưng có giải thích giúp em với ạ 21. If it ___ tomorrow, we may postpone going on a picnic. A. rains B. will rain C. shall rain D. raining 22. If you hadn’t watched that late mivie last night, you ___ sleepy now. A. wouldn’t have been B. wouldn’t be C. might have not been D. wouldn’t have been being 23. If you ___ as I told you, you ___ sorry now. A. did- would not be B. had done- had not been C. do – would not beD. had done – would not be 24. If only I ___ him now. A. see B. saw C. have seen D. seen 25. If I ___, I’ll let you know. A. am staying B. will stay C. do stay D. would stay 26. If only I ___ you wanted to invest money in business. A. had known B. knew C. have known D. know 27. Linda wishes she ___her car. A. hasn’t sold B. hadn’t sold C. doesn’t sell D. won’t sell 28. He looked frightened as if he___a ghost. A. had seen B. saw C. would see D. was seeing 29. I wish it ___ a holiday today.A. were B. will be C. is D. had been 30. “My car broke down when I was leaving Detroit and I had to take the bus.” “___, we would have picked you up.” A. Had we known B. If we have known C. We had known D. If we did know 31. If I ___ as young as you are, I ___ in a boat round the world. A. were- would sail B. would be – would sail C. were- will sail D. would- would sail 32. If he___tickets yesterday, he ___ on the beach now. A. had booked- would be lying B. had booked- would have lied C. booked – would lie D. books- will lie 33. If you ___ less last night, you ___ so bad today. A. had drunk- would not have felt B. drank- would not feel C. had drunk- would not feel D. would have drunk- would not feel 34. It seemed as if he ___ of it before. A. would never hear B. has never heard C. never heard D. had never heard 35. ___ today, she would get home by Friday. A. Would she leave B. Was she leaving C. Were she to leave D. If she leaves 36. “He’s a very brave man.” “Yes, I wish I ___ his courage.” A. have B. had C. will have D. would have 37. ___he___ hard last year, he would have lost the first prize. A. Hadn’t – studied B. Had- studied C. Didn’t study D. If – had studied 38. We’re going to be late if ___. A. we not leave right now B. we didn’t leave right now C. we won’t leave right now D. we don’t leave right now 39. “I wish this city___ so noisy.” “I know. I wish we ___ in the countryside.” A. isn’t – live B. wasn’t – live C. weren’t- live D. weren’t – lived 40. He acted as though he___ for days. A. not eat B. hasn’t eaten C. hadn’t eaten D. didn’t eat 41. We ___ the game if we’d had a few more minutes. A. might have won B. won C. had won D. will win 42. I ___ William with me if I had known you and he didn’t get along with each other. A. hadn’t brought B. didn’t bring C. wouldn’t have brought D. won’t bring 43. If you ___ to my advice in the first place, you wouldn’t be in this mess right now. A. listen B. will listen C. had listened D. listened 44. ___ interested in that subject, I would try to learn more about it. A. Were I B. Should I C. I was D. If I am 45. I ___ you sooner had someone told me you were in the hospital. A. would have visited B. visited C. had visited D. visit 46. ___ then what I know today, I would have saved myself a lot of time and trouble over the years. A. Had I known B. Did I know C. If I know D. If I would know