Bài `1:` 

`6`. Because he tiptoed on the room, he didn't wake up the baby.

`7`. Because you were out, I left a message.

`8`. Since I moved to the front row, I could hear the spokesman.

`9`. Because he borrowed the money from his friends, he could pay for his school fees.

`10`. Because he is studying hard, he will be able to study at a school in England.

* Cấu trúc: 

- Because + S + V: bởi vì `->` mệnh đề chỉ nguyên nhân 

- Since + S + V: bởi vì `->` mệnh đề chỉ nguyên nhân 

- so that + S + V: vì vậy `->` mệnh đề chỉ kết quả 

6. Because he tiptoed on the room, he didn't wake up the baby.

7. Because you were out, I left a message.

8. Since I moved to the front row, I could hear the spokesman.

9. Because he borrowed the money from his friends, he could pay for his school fees.

10. Because he is studying hard, he will be able to study at a school in England

* because = since=as 

because + clause,clause

since + clause,clause

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