Mark the suitable tense form in the given sentence. I ... for my book for an hour already.
1) have been looking 2) look 3) has looked 4) looked

Отметьте подходящую форму времени в данном предложении.

Я ... за мою книгу уже час.

1) искали 2) смотрели 3) смотрели 4) смотрели

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