B is correct "Dozens" is spelled correctly. As for the other sentences their is incorrect spelling. :)
Answer:
Sometimes they write the lyrics but most of the time they contribute their vocals while someone else writes the lyrics and plays the music
They title singer means they are singing so they contribute their vocals
Explanation:
One way the slaver Haley and the slave George are contrasted with each other through the quality of their speech. Mr Haley was the bad slave owner and George being the slave. George invented the machine to speed the process of cleaning hemp, earning the adoration of the factory's proprietor. Haley removed him from the factory and claimed that George was too lazy to work. George was then sent to work menial labour.
George was forced to take new wife since there were no lawful marriages between slaves because they were not actual citizens. George used to read the bible a lot but one day Mr Shelby sold him to Mr Haley.
