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1. Hoang played football. He hurt his leg
=> Hoang hurt his leg while........
2. The teacher allowed me to stay at home to finish the assignment
=> The teacher let..............
3. I finished all my work. Then Hung arrived
=> By the time Hung.............
4. She crossed the road. I saw her
=> I saw.................
=> Hoang hurt his leg while........
2. The teacher allowed me to stay at home to finish the assignment
=> The teacher let..............
3. I finished all my work. Then Hung arrived
=> By the time Hung.............
4. She crossed the road. I saw her
=> I saw.................