What does the proofreading acronym cusp stand for?
correction, usage, spelling, and punctuation
capitalization, usage, sentences, and punctuation
commas, usage, spelling, and punctuation
capitalization, usage, spelling, and punctuation

Capitalization, usage, spelling, and punctuation

Explanation:

The acronym CUSP is a useful tool that can help us proofread and improve our texts. The letter "C" refers to capitalization. Letter "U" refers to usage, which means checking that the words are being used correctly in a sentence. "S" stands for spelling, and it encourages you to check whether all your words are spelled correctly. Finally, "P" refers to punctuation, which is one of the most common mistakes students make in texts.

invention of the washing machine

in the past, people used sticks and stones or scrub boards to clean their clothing. as it was sweaty, backbreaking work, we owe a world of to james king because he created the model for the modern washing machine in 1851. the most important issue was that this machine cleaned clothes while a person cranked the handle. doing this made people who used it develop strong muscles in their arms. later, in 1908, alva j. fisher created an electric washing machine named thor. this one was not the first automatic washing machine. however, it was one of the most popular models at the time.

b is the answer.   i sat on the lumpy sofa, totally exhausted, with a bad taste in my mouth, wondering what i should do next.