Complete the sentences with the words given. Cause pollution; moon shuttles; find a safe place; mini-submarine; alternative fuel; different; enough money; traffic jams; replace; in advance.

Plants and endangered species will die out if plants and factories continue to .
My sister dreams of a robotic teacher, but I believe that robots can never humans.
I suppose, life in the future will be very when people invent flying vehicles for everyday use.
If I have when I grow up, I will buy a smart house.
Some animals won’t be able to to live if people continue polluting the environment.
The problem with will be solved only when we have flying cars.
Anyway, the earth is polluted even nowadays, not to say anything about twenty or even fifty years .
My only wish is to construct a because I’m quite sure that somewhere in the deep mermaids’ cities can exist.
If people find some , we will be able to save our atmosphere from toxic fumes.
They say that in the future there will be some that will travel from the Earth to the Moon and even further in just a few minutes.