Let's fill in the gaps in the text and provide the appropriate grammatic forms:
A: I **visited** Rostov-on-Don with my friends.
B: Don is one of the **major** rivers in Europe.
C: Nowadays **routes** of the seas are still reachable.
D: A lot of people **buy** tickets to go there every year.
E: Rostov-on-Don even **has** own TV with different TV programs.
Now, let's create a table:
```html
|
A |
B |
C |
D |
E |
| Answer |
2 |
1 |
2 |
1 |
3 |
```
Explanation:
A: The sentence should be in the past tense. The most appropriate verb form is "visited".
B: Major is the most suitable word for the sentence.
C: The sentence speaks about sea routes, thus the word "routes" is suitable.
D: People "buy" tickets every year.
E: Rostov-on-Don "has" its own TV.