1.It is interesting that he thought of making toys from used paper.
2.It's over 20 years now since he last came back to his home village.
3. I have never seen such a strange film.
4.I 'd rather you didn't interrupme while I am speaking.
5. If you don't get up now, you will be late for school.
6. We haven't met each other for 10 years.
7. It is difficult to find accommodation at busy time in Da Lat .
8. My father likes living in the countryside than living in the city .
9.Lan is the most intelligent person in my class.
10.Is this the first time you have ever play a computer game.
11.The Statueof Liberty was presented to the United States by France in 1876
12.The water wasn't cool enough for the children to swim in
14. It's ages since he last chatted with his classmates through the Internet.
15. Experiments on animals should be stopped .