Нужен точный перевод на без онлайн переводчиков фразы "ведь сколько нужно испытать"

ответ:

after all, how much do you need to experience

after all, how much to experience .

1. can

2. could

3. were able 

4. can

5. are able

6. can

(не уверенна)

1 years ago, shells were used as money by a lot of north american indians.

2 since 1999, the euro was introduced in twelve european countries.

3 every year, a lot of old coins were bought and selled on the internet.

4 next year, euro notes with a picture of the queen on them been made in britain.

5 if you belong to a local 'time bank', you must remember that every transaction you make was recorded