Describe a famous building you have visited. 
You should say: 
where it is 
what it's like 
why it's famous 
and explain whether you would recommend Other people to visit it.

Sửa lỗi sai trong các câu sau
1 One of the most important things in life is a good health.

2. Four out of five tourists who visit the country arrive by air.

3 It worth to point out that this is not the only possible cause of the problem.

4: There has been an increase of interest in classical music in recent years.

5 Only half the people who responded to the survey were satisfied.

6 In the end of the period in question. imports had increased by ten per cent. 7 It can be true that people are living longer. but what about their quality of life?

8 The new airport will be only two and quarter kilometres away from the school.

9 Although you can encourage people to stop smoking, you can't force them to.

10 The training scheme was unpopular, and at the end, the government had to abandon it. 

Rút Gọn Biểu Thức

1, \(\dfrac{a-6\sqrt{a}+9}{5\sqrt{a}-15}\) với a≥0, a≠9

2.\(5x-\sqrt{x^2-10x+25}\) với x nhỏ hơn 5

3,\(\dfrac{\sqrt{x^2-2x+1}}{x-1}\) với x≠1

4, 3√5 \(\sqrt{46-6v5}\)

Mọi người làm và giải thích giúp em phần b writing với ạ!