A dictionary is a source you can use to find definitions of words.
A thesaurus is a source you can use to find synonyms/antonyms for certain words.
These two combined can help you choose words that are not commonly used and it can improve your vocabulary range. I personally use a thesaurus way more than a dictionary to find synonyms for common words such as “good” or “smart”
B.) Had left
The bus had left by the I arrive at the station
What is the source of the details—personal experience, experiments, scholarly sources, or facts?
Answer:
I think it is number 2 not sure though
Explanation:
it makes the most sense out of all of them ig