1 If there had been less pollution, climate change
(not/become)
such a big problem.​

will not become

Объяснение:

a: doll, window, chair, sofa, cat, pupil, hand, plate, pen, lion, mouse, baby, friend, dinner, computer, family, bear, frog, horse, snake, zebra, girl, boy, mother, doctor, policeman, house, table, footbal, plw, cow, rabbit, schoolbag, chair, cap, tree, father, crocodile, book, pencil, child, lemon, park, garden, coat, bus, snowball, остальное на an

the weather is fine.it's cold and frosty.the temperature is -5.but the sun is shining. there is snow on the ground, but not very mach.i would like to ski and skate. after school i'm going for awork and i will breathe fresh air.