Complete these predictions about the year 2050 with the future perfect form of the verbs given.
Make the sentences affirmative or negative
depending on your own opinion.
1 By 2050 we
(find) a cure for all
illnesses.
2 We
(stop) using mobile phones.
3 Polar bears
(become) extinct.
4 The North Pole
(disappear).
(land) on Mars.
5 Astronauts
6 They
(invent) clothes that can make
you invisible.
7 Temperatures
(get) much higher
(change) because of the
8 Coasts
rising water level.