viết lại câu
1."have you ever been to My Son, Mrs Blake? " Nam said
2.Trung'parents gave him a microcomputer on his birthday
3. He is too old to have more children
4. "I'm very busy. I'll ring you tomorrow" Susan said to me
5. their teacher is making them study hard
6. this cheque hasn't been signed
7. she cooks well
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Sinh Học lớp 12
