6. She/ just/ come back/ holiday
 She has just come back from her holiday
7. In the 18th century/ jean cloth/ completely/ make/ cotton
In the 18th century, jean clothwas completely made from cotton.
8. it/ most expensive/ hotel/ I/ ever/ stay
It is the most expensive hotel where I've ever stayed. 
9. Sandra/ work/ the company/ three years
Sandra has worked/ been working the company forthree years. 
10. This kind of jacket/ consider/ very fashionable/ these days
This kind of jacket is considered to be very fashionable these days
11. A new style of jeans/ just/ introduce/ the USA
A new style of jeans has just been  introduced in the USA
12. She/ work/ this bank/ since/ leave/ university
She has worked in this bank since leaving /she left university

1.The Internet is a fast and convenient way of getting information which is very update
2. We are going to have an interactive TV soon, aren't we?
3. Student must avoid wasting so much time wandering the Websites
4. Have you read the article about the storm on today's edition of Vietnam News?
5. I have lived in a small house near the coast since 1990
6. She has just come back from holiday
7. In the 18th century, jean cloth will be completely made by cotton
8. it is the most expensive hotel I have ever stay
9. Sandra has worked in the company for three years
10. This kind of jacket is consider has been very fashionable in these days
11. A new style of jeans has just been introduced in the USA
12. She has worked for this bank since she left the university