----- Nội dung dịch tự động từ ảnh -----
Exercise 6. Choose the correct answers.
1. The train arrived while/as soon as Elie was having lunch.
2. Because/Although the water is very cold in January, they go swimming anyway
3. My father goes jogging every morning before/after he gets ready for work.
4. I learned a lot about wildlife until/ after I visited Cue Phuong National Park ye
5. You should wait here when /until your parents come back.
6. After/Before the party, there was a lot of food left.
7. My sister was sleeping when/while I was studying for the test last night.
8. As soon as/While I left home for school, It rained heavily.
9. I usually drink a glass of warm milk until / before I go to bed.
10. Who takes care of the baby when/after your mother is away?
Exercise 7. Fill in the blanks with the correct form of the verb in brackets.
1. The air and water quality (get)
2. We can even (reduce).
3. Try to avoid (use).
worse and worse.
our carbon footprint in our homes.
single-use products.
4. People can volunteer at some local environment programmes (save)
endangered species.
5. Should we (recycle).
5. Forests help (release)
7. I (not be)
unused products?
oxygen.
at school yesterday because I (have).
3. As soon as my parents arrive home, we (have)
9. Don't forget (turn)
the flu
dinner.
out.
off the lights before you (go)
10. More than 1 billion people (participate)
in Earth Day activities
Exercise 8. Complete sentences with a suitable preposition.
1. The first Earth Day started.
1970
America.