нужно
Write sentences using Conditional II. Make up one sentence with your own ideas.
1) If people (recycle) more paper, logging companies
(cut) fewer trees.
2) Rivers (be) less polluted, if factories (stop) pouring
chemicals into them.
3) If people (not leave) rubbish in parks, they (not be)
dirty.
4) It (help) the environment, if people (stop) using
aerosols.
5)