The grocer didn't notice the thieves enter until it was too late.
If you were playing the piano how did the vase get broken.
The police force still had no idea how they were going to enter the strange cottage without being seen.
Answer:
It contains on independent clause :)
Explanation:
As the title suggests, a treasure, but more specifically alluded in the plot, it's the pirates'treasure . However, a treasure is always the symbol to depict the immorality of that age when Stevenson wrote this novel of adventures.
It should be a herb because herb does not start with a vowel, which eliminates the need for the word an.