Nối hai câu thành một câu duy nhất, sử dụng câu thứ hai làm mệnh đề phụ thuộc.với hai cách giải như vậy thì cách nào phù hợp với yêu cầu đề bài ạ em cám ơn
1. Geraldine Chaplin is a great actress. However, she is less well-known than her father Charlie Chaplin.
→ Geraldine Chaplin is a great actress but she is less well-known than her father Charlie Chaplin.

2. They spent the night here. It was too late for them to go home.
→ They spent the night here since it was too late for them to go home.

3. You must come early. We will have time to make all the arrangements.
→ You must come early so that we will have time to make all the arrangements

4. I took my little son to school. After that, I went to work. 
→ I took my little son to school before I went to work.

5. The visitors arrived. She was preparing dinner.
→ The visitors arrived while she was preparing dinner.
và

1. Geraldine Chaplin is a great actress. However, she is less well-known than her father Charlie Chaplin.
→ Although Geraldine Chaplin is a great actress, she is less well-known than her father Charlie Chaplin.

2. They spent the night here. It was too late for them to go home.
→ Since they spent the night here, it was too late for them to go home.

3. You must come early. We will have time to make all the arrangements.
→ If you come early, we will have time to make all the arrangements.

4. I took my little son to school. After that, I went to work. 
→ After taking my little son to school, I went to work.

5. The visitors arrived. She was preparing dinner.
→ As the visitors arrived, she was preparing dinner.