Problem: How does the sentence end?

Jeffrey takes his trousers to Ryan for tailoring, because 
OPTIONS:
- Jeffrey doesn't know how to sew.
- Ryan doesn't know how to sew.
Answer: Jeffrey doesn't know how to sew.

Problem: How does the sentence end?

No matter how much we tried to shrink it, the stick could not fit through the hole, as the 
OPTIONS:
- stick was too narrow.
- hole was too narrow.
Answer: hole was too narrow.

Problem: How does the sentence end?

The sound decayed so much that the drum could not be heard by the recorder, as the 
OPTIONS:
- drum could not hear enough sound.
- recorder could not hear enough sound.
Answer: recorder could not hear enough sound.

Problem: How does the sentence end?

To get a better clean, Mark used the sponge instead of the towel, because the 
OPTIONS:
- sponge got cleaner faster.
- towel got cleaner faster.
Answer:
sponge got cleaner faster.