Exercise 5 Complete the sentences with the correct form of the verbs in exercise 4
1. Don't forget to
the lights before
consume
you go to bed
leave on standby
2.Can you
the heating? It's relly warm.
the TV
at night
3.You shouldn't
waste
a lot of
switch off
4.Did you know your computer
electricity?
turn down
5.It is better to have a shower than a bath
because you don't so much water.