Розкрийте дужки вживаючи дієслова у Present Perfect або Past Simple

ОЧЕНЬ НАДО касается жизни и смерти

do you know the wilsons?   they're a very friendly family.

1.a garbage is not only ugly, bute dangerous because it causes an air pollution.

2. cars are an important part of a life for most people. but cars also cause a pollution and release fume.

3. in canada people don't realise that they throw out 10,000 tons of a waste.

4. over 14 billion pounds of a waste per year is throw out to sea and it kills millions of sea animals.

5. if we want to breathe  a healthy air we have to think about what we do.

6. because of our lack of a knowledge there is now a huge hole over an antractic.

7.a water is a vital element of a life.

1.the solar sail will destroy the asteroid.

the solar sail won't destroy the asteroid.

will the solar sail destroy the asteroid?

2.we'll be able to have holidays in space soon.

we won't be able to have holidays in space soon.

will we be able to have holidays in space soon?

3.they're going to send a manned spaceship to mars.

they aren't going to send a manned spaceship to mars.

are they going to send a manned spaceship to mars?

4.mark is going to be an astronomer.

mark isn't going to be an astronomer.

is mark going to be an astronomer?

5.you'll have to wear a spacesuit.

you won't have to wear a spacesuit.

will you have to wear a spacesuit?

1. my sister is leaving to her place at the moment

2.i read this book yesterday

3. you are playing the piano tomorrow

4.we are returning from   the museum now.

5. our friends didn't see mary every day

6. the new school began to work last year

7. he often speaks to me

8. he was discussing the problem the whole morning yesterday

9.i will not be reading this article at 2 o'clock tomorrow.