1. If the weather …………. good next weekend, we …………… away somewhere. (stay / go)
2. Come on ! If we ……………, we ………………… the bus. (hurry / catch)
3. There …………… big floods every year if the cutting down of trees continues. (be)
4. If there ……… too much litter in the streets, the environment will become polluted. (be)
5. If the sea level ………………, there will be many floods in many parts of the world. (rise)
6. They will be late for the meeting if they ………………… now. (not leave)
7. If you aren’t careful, you …………………. the plates. (drop)
8. If anyone ……………… me, please tell them I’m out. (phone)
9. If crops ………………… with pesticides, they …………… by insects in soil. (spray / destroy)
10. If he ………………. too much pesticide on vegetables, they will become edible. (not use)