Chuyển các câu sau từ trực tiếp sang gián tiếp

11. He said, “I don’t know what is happening.”

=> He said _____________________________________________________

12. He said, “I’m cutting off the main valve.”

=> He said _____________________________________________________

13. She said, “I’ll write him a prescription.”

=> She said ____________________________________________________

14. They said, “We’re going to the drugstore.”

=> They said ___________________________________________________

15. She said, “I go to the supermarket every day.”

=> She said ____________________________________________________

16. “I’d like to speak to Susan,” said Mary,

=> Mary said