Giúp em một số bài tập dưới đây được ko a. Em đang cần tìm một lời giải chi tiết ạ tại em bị mất gốc? mọi người có thể giải thích cho em tại sao ta chọn đáp án này mà ko chọ đáp ko ạ! help me! 1. had you told me that this was going to happen. I .....it. A. would never have believed B. don't believe C. hadn't believed D. can't believe 2. Pull all the toys away..... someone slips and fails on them A. provided that B. unless C. in case D. so long as 3. many argue that the world will never make the switch to cleaner forms of energy .....easily obtainable soil sources remain. A. suppose that B. providing that C. unless D. as long as 4. ......... you to be offered that job, would you have to move to another city?> A. should B. were C. had D. provided that 5. You will find their house ....... you take a good steet map with you. A. as long as B. even if C. if only D. otherwise 6. You'd better stop spending money, .... you will end up in debt. A. unless B. otherwise C. if D. in case 7. henry ......... arich man today if he had been more careful in the past. A. will have been B. will be C. would have been D. would be 8. ........ you visit him, give him my best wishes. A. Could B. Would C. Should D. might 9. Were she ten years younger, she ....... the beauty contest. A. will enter B. had entered C. would enter D. would have entered 10. If it..... their encouragment . he could have given it up. A. had been for B. hadn't been C. hadn't been for D. wouldn't have been for 11. ........ any employee be ill, they must call the office to inform their head of depature A. Were B. should C. had D. if 12. If Lucy's car...... down, she would be here right now. A. didn't break B. hadn't broken C. wouldn't have been D. doesn't break 14. If i ..... my wallet at home this morning, I ...... money for lunch now. A. leave/will have B. didn't leave/ would have C. hadn't left/ would have D. hadn't left/ would have had 15. i ...... you sooner had someone told me you were in the hospital. A. would have visited B. visited C. had visited D. visit 16......... 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 wold know 17. if someone...... into the store, smile and say," May I help you?" A. comes B. came C. would come D. could come