Cho hai góc AOB và AOC là 2 góc bằng nhau mỗi góc là góc tù. Vẽ tia OB' là tia đối của tia OB tia OC' là tia đói của tia OC .Chứng tỏ rằng OA là tia phân giác của BOC

Finish the second sentence in such a way that it has the same meaning as the first one.

1.It took me more than an hour to finish my homework last night.

I spent……………………………………………………………………….

2. He started to write the letter 30 minutes ago.

He has……………………………………………………………………….

3.What about going to Dam Sen Park?

Why ………………………………………………………………?

4.Richard can cook very well.

Richard is a ………………………………………………………………………………

5.My father often drives to work.  (car)

My father ……………………………………………………………………….

6. The Red river is 1,149 km long. The Nile River is 6,650 km long.

The Nile River s much………… ………………………………………………

7. The children like to watch dragon dance in the street at Tet.

The children enjoy  ……………………………………………………………

8. Phong was sleepy, but he still stayed up late to watch the end of the game on TV.

Although. …………………………………………………………………………

9. Our resources of energy will soon end because we don^,t try to save it. 

If ………………………………………………………………………………….

10. There are 10 kinds of vegetables in the garden..

The garden ………………………………………………………………

11.If you don’t try your  best, you will fail.

Unless..............................................................................

12.If she doesn’t often brush her teeth , they will decay.

Unless………………………………………………..

13. Unless Mai eats less, she can’t lose weight.

If………………………………………………………….

14. We  will probably use the car run on the sea water in the future.

We mitgh…………………………………………………..

15. It is the most attractive girl I have ever met.

I have

Mong các bạn làm hộ mình với 

Finish the second sentence in such a way that it has the same meaning as the first one.

1.It took me more than an hour to finish my homework last night.

I spent……………………………………………………………………….

2. He started to write the letter 30 minutes ago.

He has……………………………………………………………………….

3.What about going to Dam Sen Park?

Why ………………………………………………………………?

4.Richard can cook very well.

Richard is a ………………………………………………………………………………

5.My father often drives to work.  (car)

My father ……………………………………………………………………….

6. The Red river is 1,149 km long. The Nile River is 6,650 km long.

The Nile River s much………… ………………………………………………

7. The children like to watch dragon dance in the street at Tet.

The children enjoy  ……………………………………………………………

8. Phong was sleepy, but he still stayed up late to watch the end of the game on TV.

Although. …………………………………………………………………………

9. Our resources of energy will soon end because we don^,t try to save it. 

If ………………………………………………………………………………….

10. There are 10 kinds of vegetables in the garden..

The garden ………………………………………………………………

11.If you don’t try your  best, you will fail.

Unless..............................................................................

12.If she doesn’t often brush her teeth , they will decay.

Unless………………………………………………..

13. Unless Mai eats less, she can’t lose weight.

If………………………………………………………….

14. We  will probably use the car run on the sea water in the future.

We mitgh…………………………………………………..

15. It is the most attractive girl I have ever met.

I have