| 1 | a passing grade |
| 2 | a phone call away |
| 3 | a quarter of an hour |
| 4 | a rain check |
| 5 | a roll of |
| 6 | a second opinion |
| 7 | a sheet of paper |
| 8 | a short memory |
| 9 | a stack of |
| 10 | a surprise party |
| 11 | a waste of money |
| 12 | a waste of time |
| 1 | a while back |
| 2 | absent-minded |
| 3 | absent-minded professor |
| 4 | abstract painting |
| 5 | academic calendar |
| 6 | account ofr |
| 7 | account number |
| 8 | across the street from |
| 9 | act up |
| 10 | add up |
| 11 | address book |
