2. complete the sentences with the correct form of the verbs. a) you'll save water if you a long shower ( not have ) b) we the air if we cycle to the park ( not pollute ) c) if we more trees we'll create a habitat for birds ( plant ) d) if we drop rubbish, the park a nice, healthy place ( not be ) e) you'll save electricity if you off the light when you leave the room ( turn )
