Complete the sentences. Which type of conditional is used in each one?
1 It 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 flights 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