1.If we recycle,we wll save ...

2.If you don't hurry up,you will be late ...

3.I asked him where he lived

4.The.. asked me what i did to improve my E.

5.Peter said to Mary he had stay at...his homework

6.John said that he had to stay at home...

7.Nam said to hoa that he would help her whenever she need him.

8.Lan said to he if he needed,he could use her telephone...

9.the driver... not to get off the bus...

10...that he wished he had known the answer

=>
1. If we recycle, we will save natural resources.
2. If you don't hurry up, you will be late for work.
3. I asked him where he lived.
4. The examinere asked me what I did to improve my English.
5. Peter said to Mary that he would come with her as soon as he was ready.
6. John said that he had to stay at home that night to finish his homework.
7. Nam said that he would help Hoa whenever she needed him.
8. Lan said that I could use her telephone if I needed it.
9. The driver asked the passengers not to get off the bus while it was moving.
10. He said that he wished he had known the answer.