Chuyển sang câu gián tiếp

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II- Chuyển sang câu gián tiếp
1. She said," I can't find my umbrella"
2. * My friend is coming next week", Tom said
3. " I'll help my mum with housework this weekend", she said
4" You will have to finish all these exercises before next week", the teacher said to his studente
5. "I came back here early yesterday," she said