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3. I asked him if it would be easy for me to solve that problem. 
4. They asked me if he was a teacher. 
5. She asked me if my parents stayed up late at night. 
6. He asked me if they agreed with me on that matter. 
7. I asked Mr.Trung if he had ever been to Hue city. 
8. She asked me if I could have her the message. 
9. She asked me if I was tired. 
10. She asked him if they had finished doing housework. 
Ex17/
1. He asked me if they had been helped with that work. 
2. They asked me if I had heard from her. 
3. I asked her if she could lend me some money. 
4. They asked me if that was the best hotel I could find. 
5. She asked me if they had made a quarrel with each other. 
6. She asked me if he had promised to help me. 
7. She asked us if they had been successful in giving up smoking. 
8. She asked him if they always depended on their parents. 
9. She asked me if I was accustomed to hearing the noise. 
10. They asked me if there weren't any books. 
Ex18/ 
1. He asked me if my company would open two more branches. 
2. They asked him why he hadn't opened his eyes. 
3. I asked her if they had accepted her application of the job. 
4. She asked me if I could help her carry the case. 
5. She asked me if he had known what happened. 
6. They asked me if the accident had happened at 6:30 pm. 
7. He asked me if she would look after my children when went away. 
8. They asked her if those houses had been built in 1996th. 
9. We asked her if they were cooking sweet soup. 
10. She asked me if I had finished my duty.