Question

decide whether each sentence below is punctuated correctly. use the drop - down menus to choose which revisions, if any, are necessary. when you go to the supermarket, please buy eggs, milk, pears, and carrots. i plan to go skiing with my sisters, charles and boris. mariana hopes to study chemistry geometry, and italian.

Explanation:

1. "When you go to the supermarket, please buy eggs, milk, pears, and carrots." - This is punctuated correctly. The comma after the introductory clause "When you go to the supermarket" is used properly, and commas separate items in a list.
2. "I plan to go skiing with my sisters, Charles and Boris." - Incorrect. Charles and Boris are likely not sisters. This could be revised to something like "I plan to go skiing with my sisters and with Charles and Boris."
3. "Mariana hopes to study chemistry geometry, and Italian." - Incorrect. Commas should separate the items in the list. It should be "Mariana hopes to study chemistry, geometry, and Italian."

Answer:

1. Correct
2. Incorrect; revise to "I plan to go skiing with my sisters and with Charles and Boris."
3. Incorrect; revise to "Mariana hopes to study chemistry, geometry, and Italian."