Enter since or for in the gap.

1. We have had an account with this bank over 10 years.
2. We have received excellent service we opened the account.
3. We have known our bank advisor 1985.
4. He has worked for the bank fifteen years now.
5. The bank fees have increased dramatically the year before last.
6. the past two years we have not complained.
7. However, we have been thinking about changing banks the last increase.
8. The fees have gone up more than 100% ten years ago.
9. Other banks have been lowering their fees the past three months.
10. last week we have contacted three other banks.