Chuyển các câu sau thành câu gián tiếp:
1. " I have already written that letter " my friend said.
2. Card said to me, "I will ask Mr.Haris about that word"
3. He said." I don't understand thóe two lesons at all".
4. " What country do you come from?" said Bill.
5." What are you going to study?" he said to Mary.
6." Are you hungry now?" she said to me.
7. He said to me, " Do you understand it now?".
8. " Close your book, please" the teacher said to me.
9. " Go to bed early, son" the mom said.
10. " Don't swim to far " the guard said to us.