1. My mother told me to go to school although I was sick.
→ In spite of........
2. The weather was bad, so we had to cancel our camping trip.
→ Because.......
3. Why don't we tell everybody to save clean water and electricity?
→ We should .......
4. I spent the whole morning reading about global warming.
→ It took me
5. Why don't we discuss more about our environment project?
→ How about