2 * Choose the correct preposition: from, into, on, out, up.
1 What type of fuel do you think cars will run
in the future?
2 Some people argue that carbon dioxide can be
taken by plants.
3 It is just a matter of time until the world runs
of fossil fuels.
4 I was surprised when I read that some engines
run on fuels made peanuts.
5 Plant material can be turned biofuel.
