câu dk loại 3 giúp em với ạ đúng giúp e 5.If they had searched more carefully, they..............the watch sooner. A. will find B. would find C. found D. would have found 6. If I had known you were in hospital, I ...........to see you. A. will go B. would go C. went D. would have gone. 7. If I ................., I would have said hello. A. had seen B. see C. saw D. would see. 8. I ........................ out if I hadn’t been so tired. A. will go B. went C. would have gone D. would go. 9. If I .............a camera, I would have taken somepictures. A. have B. had had C. would have D. had 10. Henry ________ a rich man if he had been more careful in the past. A. would have been B. will be C. would be D. was