these sentences : 1. Shall we use gas instead of burning coal ? I suggest …………………………………………….. 2. Shall we play badminton ? How …………………………………………………………………. 3. What about buying energy-saving bulbs ? Shall ………………………………………………… 4. Let’s use electricity economically. Why don’t ………………………………………………….. 5. Why don’t you ask her yourself ? I suggest you ………………………………………………… 6. I suggest decorating our classroom again. →I suggest our ………………………………………………………… 7. What about organizing a charity event to raise money ? I suggest a charity ………………………………………………………………………………… 8. I suggest that helmet should be used to protect our heads. What ……………………………………………………………………………………………… 9. Let’s organize a cultural festival to celebrate Lunar New Year. I suggest a ………………………………………………………………………………………… 10. I suggest unused clothes should be collected for the victims. →What about ……………………………………… 11. “Why not take the garbage to recycling centers ?” said the local authorities.