because ⇒ so: 1. Because whe was sick, she didn't go to school.

⇒ She was sick, so she didn't go to school.

2. Because he gets good mark, his parents take him to the zoo.

⇒ He gets good mark, so his parents take him to the zoo.

3. I failed in my exam because I didn’t study.

⇒ I did't study, so I failed in my exam.

4. I love it because it’s very beautiful.

⇒ It's very beautiful, so i love it.

5. She could only eat salad because she is a vegetarian.

⇒ She is a vegetarian, so she could only eat salad.

although ⇒ but: 1. Although her job is hard, her salary is low.

⇒ Her job is hard but her salary is slow.

2. The holiday was great although the hotel wasn’t very nice.
⇒ The hotel wasn't very nice but the hoiliday was great.

3. We enjoyed our camping holiday although it rained every day.

⇒ It rained everyday but we enjoyed our camping.

4. Although Nam got up late, he got to school on time.

⇒ Nam got up late but he got to school on time.

5. Although he was sick, he still went to school on time. 

⇒ He was sick but he still went to school on time.

$@bangtann$

chúc bạn học tốt

because đổi sang so

1. $\text{ Because he was sick , he didn't go to school yesterday}$

⇒ $\text{ He was sick so he didn't go to school yesterday}$

2. $\text{ Because the weather rains , we don't go camping}$

⇒  $\text{ The weather rains, we don't go camping}$

3. $\text{ Because I study hard, I pass the exam}$

⇒ $\text{ I study hard, I pass the exam}$

4. $\text{ She didn't pass the exam because she is lazy}$

⇒  $\text{ She is lazy, so she didn't pass the exam}$

5. $\text{ Because the factory dumps industrial waste into the river, many fish die}$

⇒ $\text{ The factory  dumps industrial waste into the river, so many fish die}$

5 câu although đổi sang but

1. $\text{ Altuogh the music is loud, I really enjoy it}$

⇒ $\text{ The music is loud, but I really enjoy it}$

2. $\text{ Although he is naughty, he studies well}$

⇒ $\text{ He is naughty, but he studies well}$

3. $\text{ Although she studies badly, she still got good grade}$

⇒ $\text{ She studies badly but she still got good grades}$

4. $\text{ Although I got up late, I went to school on time}$

⇒ $\text{ I got up late, but I went to school on time}$

5. $\text{ Although it rains heavily, I enjoy my outing}$

⇒ $\text{ It rains heavily, but I enjoy my outing}$