1. She (went) for holiday after she (had passed) her exams. 2. When I (got) to the cinema, the film had already (started). 3. She (felt) sick after she (had eaten) a whole box of chocolates. 4. After she (had locked) all the doors, she (went) to bed. 5. When we (came) back, the telegram had already (arrived). 6. Was Tom at the party when you (arrived)? - No, he (had gone) home. 7. The house (was) very quiet when I got home. Everybody (had gone) to bed. 8. Sorry, I'm late. The car (broke) down on my way here. 9. We were driving along the road when we (saw ) a car, that (had broken) down, so we (stopped) to help. 10. I (thanked) her for everything she (had done) for me. 11. When I got to the Academy, I (realized) that I (had forgotten) to lock my house. 12. I (took) my family to Voronezh last year. I (had been) there as a student, so I (knew) my way around. 13. He (had been) a porter before he (became) a businessman. 14. I (felt) a little better after I (had taken) the medicine. 15. I was late. The teacher had already (given) a quiz when I (got) to the class. 16. We (had ) a good rest after all our guests (had left). 17. By the time we (came), the party (had finished). 18. Yesterday I (saw) Pam, who I (had not seen) for ages. At first, I (did not recognize) her, because she (had lost) at least 50 pounds. 19. It was raining hard, but by the time the lesson (was) over, the rain (had stopped). 20. Millions of years ago dinosaurs (roamed) the earth but they (had become) extinct by the time humankind first (appeared).
depends / this water / on / on / Earth / life / all.
All life on Earth depends on (this???) water
All life on (this??) Earth depends on water
a / blanket / gases /of / by / surrounded / is / the / Earth.
The Earth is surrounded by a blanket of gases
layer / the / ozone / scientists / are / about / concerned.
Scientists are concerned about the ozone layer
lakes / to / protect / we / streams / rivers / can / oceans / help.
We can help to protect streams, rivers, lakes, and oceans
the Earth / anyone / can / green / help / to / keep.
Anyone can help to keep the Earth green
greenhouse / trees / fight / help / effect / and us / give / oxy-gen.
Trees give oxygen and help us fight the greenhouse effect
April / 22 / day / Earth / inhabitants / of / celebrate / Earth.
The inhabitants of Earth celebrate Earth Day on April the 22nd.
air / polluted / for / people / trees / other / plants / but / for / animals / is / not / only bad.
Polluted air is not only bad for people, but (also) for plants, trees, and other animals
harmful / for / acid / to / plants / is / rain / rivers / live / in / creatures / them.
Acid rain is harmful to rivers, plants, and creatures that live in them
Здесь что-то не так, видимо, неудачно переписали слова. Кое-где пришлось добавить артикли и тп
2. When I (got) to the cinema, the film had already (started).
3. She (felt) sick after she (had eaten) a whole box of chocolates.
4. After she (had locked) all the doors, she (went) to bed.
5. When we (came) back, the telegram had already (arrived).
6. Was Tom at the party when you (arrived)? - No, he (had gone) home.
7. The house (was) very quiet when I got home. Everybody (had gone) to bed.
8. Sorry, I'm late. The car (broke) down on my way here.
9. We were driving along the road when we (saw ) a car, that (had broken) down, so we (stopped) to help.
10. I (thanked) her for everything she (had done) for me.
11. When I got to the Academy, I (realized) that I (had forgotten) to lock my house.
12. I (took) my family to Voronezh last year. I (had been) there as a student, so I (knew) my way around.
13. He (had been) a porter before he (became) a businessman.
14. I (felt) a little better after I (had taken) the medicine.
15. I was late. The teacher had already (given) a quiz when I (got) to the class.
16. We (had ) a good rest after all our guests (had left).
17. By the time we (came), the party (had finished).
18. Yesterday I (saw) Pam, who I (had not seen) for ages. At first, I (did not recognize) her, because she (had lost) at least 50 pounds.
19. It was raining hard, but by the time the lesson (was) over, the rain (had stopped).
20. Millions of years ago dinosaurs (roamed) the earth but they (had become) extinct by the time humankind first (appeared).