1. I (be) _________________________ grateful if you'd send me the brochure.
2. If I (be) ________________ you, I (go) _______________________ to Ha Long Bay.
3. We will reduce air pollution if we (use) _________________________ public transport.
4. If tourists (not throw) _____________________________ rubbish in the river, the water would be cleaner.
5. We (go) _____________________________ camping this Sunday if the weather is fine.
6. Many people would be out of work if that factory (close down) ______________________________.
7. If there (be) ____________________ too much noise in my office, I won't be able to do anywork.
8. People will suffer from noise pollution if they (build) ___________________ an airport inthis area.
9. What you (do) __________________________ if you go to Cuc Phuong National Park?
10. Sorry, I can't call her. If I (know) ____________________ her number, I (phone) __________________ her.
