A: PRACTICE 10

2. There are several hundred languages in the world, so not all of them have a written form.

3. Chinese is spoken by more people, and English is spoken in more countries.

4. Russian is the third most spoken language in the world, and Spanish is the fourth.

5. There are about one million words in English, but most people use only about ten thousand of them.

6. Chinese has many different dialects, but Chinese people cannot always understand each other.

7. French used to be the language of international diplomacy, but now it is English.

8. International companies are growing, and they will soon need more bilingual workers.

9. young people should know a second language, and they will be at a disadvantage in the international job market.


B: PRACTICE 10

2. We are both medium tall, and we are twin.

3. He is an extrovert, but She is introvert.

4. I am younger, so I need your help.

5. Our mother used to tell us, "Stop fighting, or I will spank you.

6. We fought a lot as children, but now we don't fought.

7. We married two sisters, so we are family.