Giúp em trả lời câu hỏi so cho nó dễ hiểu vs ạ

9. The photographer said that they could use his / her bike if they wanted.

10. My teacher said to us that they had to finish thier homework then.

11. She said that if the weather were fine she would go on a picnic with her friends.

12. I said to him that I was going to build a new house the following week.

13. Juila said to LiLi that she had to move that table.

14. He told me that he was sure she would help me if I asked her.

15. Our teacher said that he / she would be surprised if Mary didn't pass the exam.

16. Mary said that her mother had never gone to  that market before.

17. Hung said that Lan had lived there two month before.

18. He said to them that he would give them a hand the following day.