IV: Match the column A with column B to complete the sentences. 1. If the soil is polluted, A. We will save our money. 2. If people use more car, B. We will have more oxygen to breathe. 3. If we plant more trees, C. The plants will die. 4. If we borrow books from the library instead of buying, D. They will make the air more polluted. 5. If we have a shower instead of a bath, E. We will save a lot of water.