A

Ta có: y/x=3/4→y/3=z/4= y/12=z/16
           x/1=y/4→x/3=y/12
  ➩x/3=y/12=z/16
 Áp dụng tính chất dãy tỉ số bằng nhau:
  x/3=y/12=z/16→4x/12=y/12=z/16=4x+y-z/12+12-16=8/8=1
Suy ra: 4x/12=1→4x=12→x=3
            y/12=1→y=12
            z/16=1→z=16
 Vậy...

1. The Temple of Literature is visited (by thousands of people) every day.
2. Many old houses have been restored in Hoi An.
3. The authority chose Khue Van Pavilition as the offical symbol for Vietnam's capital Hanoi.
4.Why don't we visit to Huong Pagoda?
5.Would you like to visit Ho Chi Minh Mausoleum first?

Her uncle has been a designer for 3 years.
Myan has lived in Canada with her grandparents since 2010.
I have learnt French since I was 6.
Jim hasn't finished this project since last night.
We have just left for half a day.
It has been opended since 8 a.m
His girlfriend has been looking for a job since she graduated.
Liz and Binh have been married for a year.
My brother has bought a new phone since last Thursday.
My aunt has owned the bookshop for 3 years.

1. Lan has stydied English for five years.
2. Although the sun wasn't shining, it wasn't very warm.
3. Nam used to live with his parents.
4. You shouldn't/mustn't talk with food in your mouth.(câu này mk ko chắc lắm)
5. I prefer traditional dances to modern ones.

Famous: nổi tiếng

Famous: nổi tiếng

1. I haven't played the violin for 2 years.
2. The team haven't won the prize for a long time.
3. She have done charity work since 2 years ago.
4. I haven't written letter for 5 years.
5. My father hasn't smoked since 2014.
6.I haven't donated blood for 7 months.
7. How long have you done charitable work?
8. She has involved in community service since 2 months ago.
9. She said: "I have worked as an activist since I was 20 years old."
10. My best friend hasn't eaten fast food since last year.