3 Put the verbs in brackets into the correct form, future perfect simple or the future continuous.
1 By the end of this century, they
(introduce)
three-hour flights from Europe to Australia.
2 Do you think that, by the time we're adults,
someone
(invent)
a time travel machine?
3 In a few hundred years, we
(all/go) on holiday to other planets every year.
4 I hope that we
(not/still/use) petrol in cars in 50 years' time.
5 I hope they
(find)
a more environmentally friendly fuel by then.

левецинкking    3   25.02.2021 17:26    2