1. Although the weather was bad, we decided to go hiking.

2. She suggested that he to study harder for the exam.

3. There is no doubt which pollution is a serious problem.

4. In spite of the fact that she was tired, she finished her assignment.

5. The book which I borrowed from the library was very interesting.

6. He speaks English very well because of he has lived in England for several years.

7. If I were you, I would accept the job offer.

8. Because she didn't study, she failed the exam.

9. Despite being late, he completed the project on time.

10. The movie was so interesting that I watched it twice.