1 spent подсказка-LAST WEEK,Past Simple-время
Подсказку буду писать большими буквами
2 sweeps;OFTEN; Present Simple
3 are built; EVERY YEAR; Present Simple Passive
4 play; EVERY WEEK; Present Simple
5 has JUSTeaten; Present Perfect
6 has ALREADY cooked; Present Perfect
7 am; NEXT YEAR; Present Continuous
8 Is;SOON; Present Continuous
9 will you sing a song TOMORROW?
future Simple
10 played;TWO DAYS AGO; Past Simple
11will you write a letter NEXT WEEK?-Future Simple
12 Are gathered;IN AUTUMN,; Present Simple Passive
6. If people explore space , we`ll know much about stars and planets.
7. If these people take care of the environment, they don`t drop litter everywhere.
8. If Tom didn`t forget that it was Sunday, he wouldn`t get up early.
9. If I knew your telephone number , I would call you .
10. If Alex trained hard last month, he would win the game.
11.If forests weren`t cut down in the past,many species of animals and birds wouldn`t be destroyed.
12.If I knew about recycling ,I wouldn`t throw away a lot of rubbish.
Объяснение:
task 1
1C
2A
3A
4B
task 2
1 animals and plants
2 trees
3 the okeans
task 3
1 true
2 false
3 false
task 4
1 and
2 because
3 so
4 or
task 5
1 tiger
2 Tigers live mainly in Asia, but it is practically throughout Asia, in its various climatic zones, from the Siberian taiga to the South Asian jungles of Sumatra.
3 The main diet of tigers consists exclusively of meat of cloven-hoofed animals, such as moose, wild boars, red deer, roe deer, and small species of these predators often consume small animals such as rabbits, wild boars, etc.
4 The tiger is the largest feline. This family also includes the panther, lynx, cheetah, but the tiger is larger than them.