Monica found Kayla quite attractive, so 
OPTIONS:
- Monica sent a gift and a card expressing their inner feelings.
- Kayla sent a gift and a card expressing their inner feelings.
Monica sent a gift and a card expressing their inner feelings.

The band member tried to put the guitar in the case but it wouldn't fit because  the 
OPTIONS:
- guitar was too big.
- case was too big.
guitar was too big.

He wasn't able to prop the bike against the fence, because the 
OPTIONS:
- fence was too heavy.
- bike was too heavy.
bike was too heavy.