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I/
1. Nga was taught how to give the first-aid on the phone by the nurse.
2. He would rather English than Literature.
3. It's interesting that he thought of making toys from used paper.
4. Peter saved $10 a month so as to go on holiday in the summer.
5. Everyone has left the room, haven't they?
6. Tom's neighbor accused him of breaking her window glass that morning.
7. My book is more expensive than your book.
8. Would you mind tidying the classroom?
9. The test couldn't be done because it was very hard.
10. Lan said to me ,"Don't play with matches because they are dangerous."

II/
1.Technology now means students can get degree without being on campus.
2. The grand prize is awarded to the team with the highest points.
3. The flight 666 to Chicago will take off in ten minutes.
4. Was Tom surprised to see you when you visited him?
5. Bob Milton was the most successful pop singer last ten years.