chọn phương án đúng ----- Nội dung dịch tự động từ ảnh ----- 8. He was very lucky when he fell off the ladder. He himself. A. could have hurt B. should have hurt C. must have hurt D. will have hurt 9. Robert arrived without his book. He it. A. might have lost B. should have lost C. would have lost D. will have lost 10. Twenty years ago, David speak Arabic fluently. Now he's forgotten a lot. A. could B. might C. needed D. must 11. Jessica hasn't made up her mind about where to go to school. She attend Duke University. She just doesn't know yet. A. mustn't В. may not C. needn't D. can't 12. This box isn't as heavy as it looks. You help me with it. Thanks anyway for offering to help. A. must B. mustn't C. might D. needn't 13. Yesterday everyone in the office_ fire. leave the building for a fire drill. I am glad it wasn't a real A. may B. might C. must D. mustn't 14. You play loud music at night. The neighbors will call the police.