Choose the correct answer

----- Nội dung dịch tự động từ ảnh -----
6. The humming-bird is one of the most smallest birds we know of.
7. She is singing and dancing merrily when the doctor called to see her.
8. You need your shoes to repair, don't you?
9. I borrowed some milk from a neighbor of us as we didn't have enough for
breakfast.
10. When they lived in Jakarta, they used to eating Indonesian food.
11. I'd like to go out for dinner, but I don't feel like to eat out tonight.
12. The more frequent you exercise, the greater physical endurance you will have.
13. Where many of my friends take a shower in the morning, I usually take one
before I go to bed.
14. The price of crude oil used to be a great deal lower than now, wasn't it?
15. Bells told people of happy events, such as weddings and birthdays, or sometimes
had to announce unpleasant events such as a death.
16. Air pollution, together with littering, are causing many problems in our cities today,
17. Hummingbirds are the only birds capable to fly backward as well as forward,
up and down.
18. The test administrator ordered us not opening our books until he told us to do so.
19. We are supposing to read all of Chapter Seven and answer the questions for
tomorrow's class.
20. The explanation that our instructor gave us was different to the one your gaye YOU