1. Câu hỏi này phải là "What subjects does he study?" nhé bạn.

Answer : He studies many subjects such as Maths, Physics, Chemistry, Biology, Literature, History, Geography and so on.

2. Phong studies at Chu Van An High School.

3. Because it is an international language.

4. (Như câu 3)

5. Because his son has to ride his bike in narrow and crowded streets on the way to school.

cò mù => cò không thấy => thầy không có

1. English is spoken all over the world.

2. We can't jog every morning because of the bad weather.

3. It is difficult for him to express his feeling.

4. If you do the test carefully, you'll get good mark.

5. Neither Nam nor I knew the dress.

Quãng đường vật đi được trong 10s là :

S = \(\dfrac{1}{2}\)at² = \(\dfrac{1}{2}\).4.10² = 200 (m)

Quãng đường vật đi được trong 8s đầu là :

S₁ = \(\dfrac{1}{2}\)at² = \(\dfrac{1}{2}\).4.8² = 128 (m)

Quãng đường vật đi được trong 2s cuối là :

S₂ = S - S₁ = 200 - 128 = 72 (m)