Complete the sentences using the words in brackets. 1. If I catch the bus at three _____ (I / arrive / in time for the

1. If I catch the bus at three, I will arrive in time for the demonstration.

2. If we do not do something about global warming, the world will have big problems in the future.

3. You will not pass your test if you do not study.

4. If we did not protect the birds, they would become endangered

5. Would you buy organic food if it was cheaper.

6. You would use less electricity if you used low-energy bulbs.