Basic level

Fill in the gaps with the correct phrasal verbs.

1 Make sure you ... all the lights before you leave.
2 You should ... a jumper rather than turn the heating on.
3 Don’t ... those glass bottles. They can be recycled.
4 We must try to ... the amount of electricity we use.
5 I like to ... the heating at night. It helps me to sleep better.
6 We must ... a way to use less paper.