Bài II:
Nowadays, a lot of important inventions carry out are carried out by scientists working for large industrial firms. However, there are still opportunities for other people to invent various things. In Britain, there is a weekly TV program which attempts to show all the devices which people invented have recently invented. The people organizing the program receive information about 700 inventions per year. New ideas can be developed by private inventors. However, it’s important to consider these questions: Will it work? Will it be wanted? Is it new?

Bài VIII.
1. An important experiment is being carried by the scientist.
2. Cheese is made with milk
3. Was the 1st plane built by Wright brothers in 1903?
4. The zipper was invited by WL Judison in 1983.
5. The ballpoint pens have been used for many years

6. A book will be published on space travel next month
7. The coputer was being repaired by him when I came.
8. Romeo and Juliet was written by Shake in 1592
9. These rooms are going to be repainted by Viet tomorrrow .
10. This kind of paper wasn't produced by our factory.

Bài IX.
1. A
2. C
3. B
4. D
5. A

Bài IX trên ấy
1. I have never used such a good computer
2. It's ages since I last chatted with his classmates through the internet
3. Trung was given a microcomputer by his parents on his birthday
4. This is the first time he has played a computer game
5. The last time we saw her was when we left university

Bài VIII

Bài X:
1. However, the first modern type of printing press was invented by a German, Johanes Gutenberg in 1439.
2. The first important bookk which was printed by Gutenberg was published in 1456.
3. It is still one of the most beautiful books which has ever been produced.
4. It is not known how the movable type used in the printing press was made by Gutenberg.
5. However, for several centuries no real changes were made in the basic methods used for printing.

6. Metal type was set by hand into pages known as forms.
7. These pages were inked and printed on single sheets of paper.
8. The first self-inking press was built by Stepthen Ruggles in 1839.
9. Methods of printing have been developed by the newspaper industry over the past hundred years.
10. Modern high-speed printing are carried out on a rotary press, using continuous paper from huge roll

Bài VIII.
1. An important experiment is being carried by the scientist.
2. Cheese is made with milk
3. Was the 1st plane built by Wright brothers in 1903?
4. The zipper was invited by WL Judison in 1983.
5. The ballpoint pens have been used for many years
6. A book will be published on space travel next month
7. The coputer was being repaired by him when I came.
8. Romeo and Juliet was written by Shake in 1592
9. These rooms are going to be repainted by Viet tomorrrow .
10. This kind of paper wasn't produced by our factory.