\(\frac{\frac{3}{4}-\frac{3}{5}+\frac{3}{7}+\frac{3}{11}}{\frac{13}{4}-\frac{13}{5}+\frac{13}{7}+\frac{13}{11}}\\ =\frac{3\left(\frac{1}{4}-\frac{1}{5}+\frac{1}{7}+\frac{1}{11}\right)}{13\left(\frac{1}{4}-\frac{1}{5}+\frac{1}{7}+\frac{1}{11}\right)}\\ =\frac{3}{13}\)

1. Who is your close friend ?

---> My close friend is Oanh.

2. Who is your English teacher, how old is she/he?

---> My English teacher is Phong, she is 40 years old.

3. What time do you get up?

---> I often get up at 8 o'clock but sometimes I get up at 6 o'clock.

4. What do you have for lunch?

---> I have soup, fish and meat for lunch.

5. What do you want to become when you leave school?

---> I want to become a diplomat when I leave school.

6. How many people in your family ?

---> My family has five people.

7. Can you play any sport?

---> Yes, I can.

1. Cô Thu có phải là giáo viên phải không ?

---> Is Mrs. Thu a teacher?

2. Bạn Tuan rất đẹp trai phải không ?

---> Is Tuan very handsome?

3. Mai và gia đình của cô ấy sống trong một ngôi nhà đẹp ở thành phố Hồ Chí Minh

--->  Mai and her family live in a beautiful house in Ho Chi Minh City.