6. You made a mistake by telling her a lie. It _____ better if you _____ to her. A. would have been/ hadn't lied B. would be/ didn't lie C. will be/ don't lie D. would be/ hadn't lied 7. John would be taking a great risk if he _____ his money in that business. A. would invest B. invested C. had invested D. invests 8. She wouldn't have given them all that money if we _____ her to. A. wouldn’t advise B. won't advise C. hadn't advised D. didn't advise 9. If the tree hadn't been so high, he _____ it up to take his kite down. A. could have climbed B. climb C. is climbing D. climbed 10. If the wall weren't so high, he _____ it up to take his ball down. A. climbed B. could climb C. is climbing D. climb 11. If I _____ her phone number, I _____ her last night A. had known/ could have phoned B. knew/ would have phoned C. know/ can phone D. knew/ could phone 12. If he ______ the truth, the police wouldn’t arrest him. A. tells B. told C. had told D. would tell 13. If you press that button what _____? A. would happen B. would have happened C. will happen D. happen 14. She says if she _____ that the traffic lights were red she _____. A. had realized/ would stop B. realized/ could have stopped C. has realized/ stopped D. had realized/ would have stopped 15. I am very thin. I think, if I _____ smoking, I might get fat. A. stop B. had stopped C. will stop D. stopped * Nhớ làm chi tiết 1 tí nha mn cứ giải thíc tại sao lại chọn nó là đc ạ