1. If she doesn't practice more, she will find it hard to pass the exam.
2. If it doesn't rain soon, millions of pounds worth of crops will be lost.
3. If you don't get a visa, you can't visit the US.
4. If we don't leave now, we will miss the train.
5. If he doesn't phone immediately, he won't get any information.
6. If we recycle, we will save natural resources.
7. If you aren't careful, you will fall over the rock.
8. If he buys recycled product, he can do a part to save the environment.
9. If we go on wasting water, there will be a shortage of fresh water.
10. If you litter the place around you, it will be a junk yard.
11. If you don't reduce the use of energy, you'll pay more for it.
12. If you don't practice your English regularly, your English doesn't improve.
13. If he doesn't take the map with him, he'll lose his way in the forest.
14. If she practices English every day, she will speak it perfectly.
