| 1 | letter of reference |
| 2 | let…go |
| 3 | let oneself in |
| 4 | let sb out |
| 5 | let up |
| 6 | lift the ban |
| 7 | light bulb |
| 8 | light lunch |
| 9 | light schedule |
| 10 | light up |
| 11 | light up |
| 1 | line by line |
| 2 | line up for |
| 3 | listen for one's telephone |
| 4 | literary criticism |
| 5 | love off campus |
| 6 | living room |
| 7 | loving situation |
| 8 | lock up |
| 9 | locker room |
| 10 | long distance call |
| 11 | look away from |
| 1 | look for a needle in a hay stack |
| 2 | look forward to doing/sth. |
| 3 | look into |
| 4 | look on with |
| 5 | look out |
| 6 | look over |
| 7 | look sharp |
| 8 | look up(in a) dictionary |
| 9 | look up to |
