1A 2C 3D 4B 5C 6A 7C 8B 9C 10C 11B 12A 13D 14D 

1A 2C 3D 4B 5C 6A 7C 8B 9C 10C 11B 12A 13D 14D 

Bạn chia nhỏ nội dung ra để dc trợ giúp nhé

1 Kai is tired because he stayed up late watching TV

2 Since I have a broken leg, I fell over while I was playing basketball

3 Sehun is going to be late for school as the bus is late

4 Because Lisa was careless, she broke the cup

5 Rose wants to go home since she feels sick

6 Jimin is hungry as he hasn't eaten all day

7 Since plastic bags are very hard to dissolve, they will cause pollution

8 People reuse and recycle bottles and cans as they want to reduce garbage

9 The sea is becoming increasingly polluted since people drop garbage into the sea

10 We shouldn't throw trash onto the water as polluted water can directly do harm to people's health and kill fish

b: Gọi chiều dài và chiều rộng lần lượt là x,y

Áp dụng tính chất của dãy tỉ số bằng nhau, ta được

\(\dfrac{x}{7}=\dfrac{y}{5}=\dfrac{x+y}{7+5}=\dfrac{48}{12}=4\)

Do đó: x=28; y=20

Diện tích là:

28x20=560(m²)

doesn't like this kind of food. 

I was having lunch, he arrived at my house. 

plays tennis as well as Jim. 

called Tom this morning. 

difficulty doing this exercise.

finish

could have passed 

should practise