`1.` Although she didn't like coffee, she drank it to keep herself warm.       

`2.` Although he was tired , he finished his homework.        

`3.`Although Marcy was sad at losing the contest, she managed to smile.         

`4.`Despite the cloudy sky, we took many pictures.                                             

`5.` Even though the old woman had a poor memory, she told interesting stories to the children.

`6.` Though Nancy had promised not to tell anyone the secret, she told me that.

`7.` Because of Hoa's richness, she could buy that house.

`8.` Because of his sickness, his father asked him to go stay at home.

`9.` Because the price is cheap, my wife insists on buying the Tivi.

`10.` Because of the accident, I was late.

* Giải thích cách chuyển : 

`a)` Although = Though = Eventhough + S + V

= Despite = In spite of + biến đổi

`b)` Because + S + V + O = Because of + PRO (NOUN)/NOUN PHRASE

Cách biến đổi của Despite = In spite of và Because of :

`+` Đồng Chủ ngữ : Bỏ chủ ngữ sau Because/ Although, V nguyên thể + Ving

`+` Không đồng chủ ngữ nhưng có dạng Danh từ ( the, a, an, his, her,... ) : Bỏ Verb và đứa tính từ lên trước Danh từ

`+` Không đồng chủ ngữ, không có dạng danh từ thì : Biến đổi S ( his -> his, she -> her, it -> its, the ,... ) . Bỏ V , biến đổi tính từ, động từ thành danh từ