22. The correct answer is A.
The sentence would now look like this:
Do the boys who live down the street want to visit Washington D.C. with us?
At the beginning of a sentence, you always need to capitalize the first letter. Cities, towns, countries, villages, regions, etc are always capitalized too. The word street here does not need it because it is not specified what street. If you would use "31st Sydney Street", then you use it.
23. The correct answer is A.
The sentence would now look like this:
Does Jennifer like to visit Florida in the summer?
At the beginning of a sentence, you always need to capitalize the first letter. Names and titles of people are also capitalized, for example, the Queen of England or Bradley Cooper. The same goes for cities and countries like the United States of America or France.
24. The correct answer is B.
The sentence would now look like this:
Will you be coming to the stadium to watch the Giants play on Sunday?
At the beginning of a sentence, you always need to capitalize the first letter. Brand names (including sports teams) are also capitalized, such as Adidas, Nike and the Giants. Days of the week (and months) are too.