What about buying energy - saving bulbs?

1. What about buying energy - saving bulbs?
=> Shall
2. Let's protest against the use of nuclear money.
=> Why
3. What about organizing a charity event to raise money.
=> I suggest we
4. Why don't we take a short rest?
=> I suggest
5. Let's use electricity economically
=> We suggest
6. Although shw was not beautiful, she took part in a beauty contest
=> She was not
7. Is was raining so we decided to postpone our camping
=> Since
8. We stayed at home because it rained heavily
=> It rained
9. SHe couldn't join us because she was busy
=> She was
10. They requaested we leave the place at once
=> It was