Помогите, пожалуйста :сFill in the blanks with the prepositions where necessary1. A

Помогите, пожалуйста :с
Fill in the blanks with the prepositions where necessary
1. A dollar is made either . silver or . paper.
2. A dollar is equal . . roubles.
3. The Federal Reserve System issues bills . one dollar, two dollars, etc.
4. I am sorry, I have no change . me. (Простите, у меня нет мелочи)
5. I am sorry I am short . money.
6. What paper money . circulation in our country?
7. It is a rouble . a unit. (Рубль за штуку)
8. What is the rate . exchange . British currency?
9. Give me ten pounds . small coins, please.
10. The exchange rate . banknotes is high . present.