1. what about buying energy-saving bulbs?
2. let's use electricity economycally?
3. why don't you ask her yourself?
4. what about organizing a charity event to raise money?
5.i suggest unused cothes should be collectedfor the victims
6. what not take the garbage to recycling centers? said the local authorities
7. shall we go to the enghish speaking club? anderew said
8. " why don't you put an adveritisementin this local newspaper? they said to me.
9. "why don' t you repair electric fan, nam 'Ba asked.
10. ''let not't tell anyone until we are certain that are report is true'' said tom.