Ответ:

Объяснение:

1   Soil pollution is very harmful to the environment.

2  A lot of factory waste is dumped into this river.

3 Chemicals cause acid rain

4  Solar power is environmentally friendly

5 Many plant species are in danger of dying out.

6. Forests fires cause many animals to lose their natural habitats

7 How can I avoid breathing toxic fumes from cars while cycling in the city?

a) He has been talking on the phone all morning.(продолжительное)

b) We watched this film yesterday.(уточнение времени "вчера")

c) I have been reading without a break since 10am.(продолжительное)

d) They ran in the park last week.(прошлое с уточнением времени)

e) I have been studying all day.(на протяжении всего дня )

f) John has been sleeping for two hours now!(продолжительность)

a) You don’t have to water the plants. Jane has done it.(не обязан полить Джейн уже сделала это)

b)She has to do it. It’s necessary.(ей надо сделать это, это необходимо)

c) If you want to become an engineer, you have to work hard.

d) You don’t have to hurry up. It’s early.

жду сердце