Помогите пожалуйста со всеми заданиями

Сделайте правильный выбор“a/an”, “the”, “ – “:
1. Do you play the… piano?
2. -… boys like to play …- football. The… boys of -…our school are playing …- basketball in the gym.
3. Where are the…children? – They are out of …- doors. The… weather is fine today.
4. What …- games does your sister like to play? – She likes to play -… tennis.
5. When we want to write …a letter, we take a… piece of …- paper & a… pen. We first write our -… address & a… date in the… right–hand corner. Then onthe… left–hand side we write …a greeting.
6. The… Neva flows into the… Gulf of -… Finland.
7. The… Pacific Ocean is very deep.
8. The… Urals are not very high.
9. …- Kazbek is the… highest peak of the… Caucasus.
10. The… Baikal is the… deepest lake in the… world.
11. -…Lomonosov was born in a… small village on a… shore of the… White Sea.
12. The… Nile flows across the… north–eastern part of …- Africa to the… Mediterranean Sea.
13. What -… color is your -… new hat?
14. Is there a… refrigerator in your -… new kitchen?
15. I am an… accountant. I work at an… office. I go to the… office in the… morning. As the… office is far from the… house I live in, I take a… bus to get there.
16. What …- bus do you take to get to your …- work?
17. On -… Sunday our family went to the… country. We got up at …- sunrise & quickly had …- breakfast.
.18. We played -… volleyball & tennis all the… day long.
19. We returned to -… town late in the… evening. When we came …- home, we had …- supper & went to -… bed at once.
20. Look at the… sky. It is covered with -… dark clouds.
21. What a… nice day we spent yesterday in the… country!

What … nice day we spent yesterday in … country!