Task 4. Viết lại câu.
1. Although Nam is not an intelligent student, he can learn very fast.
\( \Rightarrow \) Despite / In spite of
2. Because Hoa was rich, she could buy that house.
\( \Rightarrow \) Because of
3. Because the rain was so heavy, I couldn't go to school.
\( \Rightarrow \) Because of
4. His father asked him to go stay at home because he was sick.
\( \Rightarrow \) Because of
5. Because there was an accident, I was late.
\( \Rightarrow \) Because of