----- Nội dung dịch tự động từ ảnh -----
7. I'm sure the bus has left. (must)
8. Perhaps he didn't apply for the job. (may)
9. Perhaps they went home. (might)
10.It is impossible that she saw us. She was at university at that time (can't)
11. It was necessary for him to finish his homework (need)
12. It is unlikely that she accepted the job. (might)
13. She didn't need to give her son so much money. (needn't)
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