Какие предлоги нужно подставить? , ! 1) the coast stretchers as far eye could, see. 2) same time moscow is young and modern. 3) the usa borders in the north. 4) does the river flows or ? 5) the volga flows caspian sea.

1) The coast stretchers as far ..as.the eye could, see.

2) .At..the same time Moscow is young and modern.

3) The USA borders ..---.Canada in the North.

4) Does the river flows --...east or .---..west?

5) The Volga flows .into..the Caspian Sea.

Ни совсем уверена, но в 1 поставила бы possible (на сколько это возможно)
2. at
3. to
4. in the
5. in