II. Underline the mistakes in the following sentences. There is one mistakes in each sentences.

1. Some people belive that humans will never use away all the natural resources of earth.

2. The film star, with his friends, are going to the party tonight.

3. I knew his name because we'd ready met each other.

4. I had something eating and then I began to feel better.

5. When there are low sales, companies often decide developing new products.

6.I ran out of the room the moment I hear a noise outside.

7.Unlike another department stories, this one does not open on Sundays.

8. Several people, their voices could be clearly heard, were waiting outside.

9. Of the milions of stars in the galaxy, how much are suitable for life?

10. In those days of frequent air travel, diseases can spread around the world in a very short time.

I. Use the corect from o the word in brackets.

1.The old lady hid all ( save ) _________________ under the carpet.

2.Please ( fast) __________ your seat-belt. The plane is taking off.

3. Her ( anxious) ________________ was so great that she broke a glass.

4. Her hair is ( red) _______________, not bright red.

5. This document requires a ( sign)________________

6. I'll always remember that holiday. It was an ( forget) _____________ experience.

7. The software ( able)______________ you to access the Internet in seconds.

8.The train journey, which took sixteen hours, seemed ( end) _________________.

9. Skiing is a ( season) ______________ sport.

10,( Fortune) __________I won't be able to join you for dinner this evening.

I = 1

II = 2 

III = 3

V = 5

IV = 4

X = 10

XIX = 19

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Cho hình bình hành ABCD. Phân giác của    v à   D ^  cắt các đường chéo BD và AC lần lượt tại M và N. Chứng minh: MN song song với AD