С. в предложении: "i often dream of fishing (the)long and deep rivers of the russia federation". там где выделенное в скобках the, надо ставить или нет, а если надо, то почему.

Нужен, потому что рассказывается об определённых реках РФ 

1) Choose a or an: an opinion, an old dress, a class, a hand.

2) Choose the correct article before countable nouns.

1. I don’t have brothers or sisters.

2. I have a cousin. Do you have a cousin?

3. Write him a letter when you come back home.

4) Choose the correct article before uncountable nouns.

1. Could you pass me the salt, please?

2. The bread is stale.

3. Paper is made of wood.

5) Fill in articles before countable and uncountable nouns. Put ‘–’ for the zero article.

1. I am going out for a walk. I need some fresh air.

2. We need petrol. I hope we’ll come to a petrol station soon.

3. The soup isn’t salty enough. Could you pass me the salt, please?

1. What are you wearing right now?
I'm wearing a T-shirt right now.
2. What are your parents doing at the moment?
My parents are working at the moment.
3. What is the weather like today?
It is shining.
4. What time do you usually get up every day?
At 8:00 o'clock.
5. Which season do you like the most?
I like autumn.
1. Look! The children are playing in the snow.
2. My brother doesn't like the snow.
3. Is Roy staying in a hotel?
4. Mary is packing her suitcase at the moment.
5. Do people wear woollen sweaters in the summer in Alaska?
6. She never sunbathes. She hates it!
7. They don't usually go camping.
1. Look! The little girl is making a snowman!
2. We are looking for a T-shirt.
3. Are Mary and Steve going home on feet today?
4. Listen! It is raining.
5. What size do you take?
6. Does he study in Switzerland?