aPeople (start) willhavestartedliving on other planets. bScientists (invent) ……………………………….artificial food.
c We (find)……………………….a solution to the problem of poverty. dDoctors (discovered) ………………………. a cure for cancer.
eMost people (move) …………………………to very large cities.
fWe (use) …………………………………….all the fossil fuel on Earth. gThe world (become)………………………….. a peaceful place. hPeople (make) ………………………………. The environment cleaner.
6 Complete the text with the present simple or will form of the verb in brackets.
The future of our solar system
The Sun (continue) willcontinuemuch as it is today until it
(enter)…………. Its red giant phase in 4 to 5 billion years.
Then the core
(grow)……………….
Smaller and hotter until it finally (finish)………………… burning the fuel in its nuclear core. When this (occur)……………….. the core (become)
……………………….. so dense that helium fusion will begin.
