4 Complete the sentences. Use the zero conditional
and the first conditional. N
1 If we clean energy, we pollution. (use / reduce)
2 I always
a book if I on the bus. (take / go)
3 She always a hat if she hiking. (wear / go)
4 If we3_less packaging, we rubbish. (use / reduce)
5 If he harder he, good marks. (work/get)
6 If she home late, her mum
angry. (get/be)
7 If youwith me, I. (not come / not go)
8 Theyif it. (not come / rain)​