10.6.17 Complete the sentences. Which type of conditional is used in each one?
1 If there had been less pollution, climate
change
(not/become)
such a big problem.
2 If you only use social media, you
(not/spend) enough time
talking with your friends face to face.
3 If they had left home on time, they
(not/miss) their flight to Almaty.
4 When you donate to the homeless shelter,
you
(make) a difference.
5 If we only ate organic food, we
(stay) strong and healthy.​

He can't keep his word, he can't be relied _on__ .
I'm sorry to have missed your visit. Have you been looked __after_ properly?
They said that i would be called _for__ if there was an emergency.
John can't be trusted. I know I'll be lied __to_ as usual.
At the beginning of May the engagement was announced. It was much spoken
__about_.
His books are often referred __to_ in scientific papers.
When we arrived the flames had been brought _under__ control.
He has never been heard _of__ since the accident.

He can't keep his word, he can't be relied _on__ .
I'm sorry to have missed your visit. Have you been looked __after_ properly?
They said that i would be called _for__ if there was an emergency.
John can't be trusted. I know I'll be lied __to_ as usual.
At the beginning of May the engagement was announced. It was much spoken
__about_.
His books are often referred __to_ in scientific papers.
When we arrived the flames had been brought _under__ control.
He has never been heard _of__ since the accident.