Вставьте артикль, где это необходимо.

Smiths have a dog and a cat. 

I have a sister. My sister is a teacher. 

Titanic sank on April 14, 1912.

Excuse me, how can I get to the National Gallery?

His dream is to become an editor of the Times one day.

It takes about an hour to get from the Domodedovo airport to the Lenin street. 

My friend usually goes to Alps in the spring by a plane. 

The Volga is a longest river in the Russia.

I had my holiday in the northern Italy last year but I’m going to cross Atlantic ocean and visit the USA next year.

Great Britain is situated on two large islands.

1. They are going to give him a bonus.

He is going to be given a bonus.

2. Who gave him the new car?

Who was he given the new car by?

3. Many people believe that eating too much causes obesity.

 Eating too much is believed (by many people) to cause obesity.

4. The children were feeding the dog.

 The dog was being fed by the children.

5. People say that he is a very wealthy man.

   He is said to be a very wealthy man.

6. She should plant some more flowers.

   Some more flowers should be planted by her.

В общем, как я понимаю суть в том, что нужно дополнить текст использую be going to. Это будущие время и используют его, когда собираются что-то нибудь сделать в будущем. И главное то, что действие запланировано.
ответы:
1. are going
2. is going to be
3. are going to eat
4. are going to drink
5. are going to fly
6. are going to ride
7. is going to take
8. is going to buy
9. is going to be
10. are going to rent
11. is going to drive
12. are going to visit
13. are going to find out
14. are going to visit
15. are going to travel
16. are going to see
17. are going to buy
18. are going to take
19. is going to be