Across
| 1 | About half the class starts to get involved reading long stories (5) |
| 4 | Passenger beginning to recognize dire trouble (5) |
| 7 | Sad, sad commercials (3) |
| 8 | Panama, for example, is two-thirds of the total, in retrospect (7) |
| 9 | Avoid one brand of trucks (5) |
| 10 | Unexpectedly begins offering discounts during leap years (5) |
| 12 | Empty pothole full of crushed ice, in part (5) |
| 14 | Blacksmith's equipment stored in Ukranian village (5) |
| 16 | Surprisingly reveals quite a few (7) |
| 18 | Operated restaurant as nightclub, initially (3) |
| 19 | True, we had planted seeds (5) |
| 20 | Get wool from hopping hares? (5) |
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Down
| 1 | Great beginning, clever ending, and very impressive (5) |
| 2 | Strangely, I reused remainder (7) |
| 3 | Take large bodies of water, we hear (5) |
| 4 | Cooperation reveals relationship of one number to another (5) |
| 5 | Bring back crazy source of hydroelectric power (3) |
| 6 | Spray changing how a person with a sore throat sounds (5) |
| 11 | Varied people in SCUBA equipment surface, finally (7) |
| 12 | Poses awkwardly in Mexican capital? (5) |
| 13 | Made a mistake on TV, to the audience (5) |
| 14 | Book of maps at Los Angeles store, primarily (5) |
| 15 | Between left and right, one person who stays out of groups (5) |
| 17 | Promise to put drop of oil in Volkswagen (3) |
|