Punctuation and Sentence Structure

"Ms. Goel forgot to prepare her lesson for the day; she knew she should have set herself a reminder."

This sentence is already grammatically correct. Which of the following options could serve as an acceptable replacement for the underlined text?

• day, she

• day and she

• day. She

• day yet she

"Cindy went to the mall and bought a scarf."

Is this acceptable or incorrect punctuation, and why?

• Acceptable: the sentence correctly connects two complete ideas with "comma + FANBOYS".

• Acceptable: the sentence correctly connects a complete idea with an incomplete idea using no punctuation.

• Incorrect: the sentence doesn't have a comma before the word "and".

• Incorrect: the sentence is missing two commas around the unnecessary information.

"My sister goes to a college, that is right next to the ocean, and she studies marine invertebrates."

This sentence seems grammatically incorrect to me, and I need help editing it. What could I do to fix this?

• Remove the information between the commas ("that is right next to the ocean").

• Remove the first comma in the sentence.

• Change the word "that" to "which" and remove the second comma in the sentence.

• None of the above options will fix your sentence. Go back to English class, Ms. Goel!

When he opened his lunchbox, Charlie saw that it included a large portion of chocolate cake which was his favorite dessert.

Which of the following is the best option to replace the underlined portion of the sentence?

• NO CHANGE

• cake, which

• cake. Which

• cake, which,

When he opened his lunchbox, Charlie saw that it included the chocolate cake that he had seen advertised on MTV.

Which of the following is the best option to replace the underlined portion?

• NO CHANGE

• cake, that

• cake, that,

• cake. That

Normally cumulus clouds are seen during summer, when they develop into thunderstorms reaching beyond 50,000 feet in altitude.

Which of the following is the best option to replace the underlined portion?

• NO CHANGE

• Normally cumulus,

• Normally, cumulus

• Normal, cumulus

Many of his classmates had gone on to successful careers in business, the professions, and even the arts. What set Richard apart? However, was his determination to succeed without a definable occupation.

Which of the following options is the best replacement for the underlined portion?

• NO CHANGE

• apart, however

• apart; however,

• apart, however,