1E: Beethoven's only opera (7)	11S: Crucifixion setting (9)
2W: Strains (5)	12E: Source of rolling refreshment (6)
3E: Where cyclists cycle (9)	12S: Tree trimming (6)
4E: Dooley's school (5)	13S: Wide, as a chasm (7)
5N: Unable to find the right person (8)	14N: Red Hot Chili Peppers hit (9)
6S: Curtains (7)	15S: Owl, e.g. (6)
7N: In other words, in other words (5)	16S: Exactly (8)
8E: Trillers, frequently (8)	17N: Fair (10)
9E: You write notes on it (10)	18S: Gunpowder ingredient (5)
10N: Like Dudley Dursley (7)	19N: Like a saw (7)
10S: In the future (7)	20S: Knox blocks (6)
	21W: She played Michael J. Fox's sister (11)