Question

Which answer best completes the sentence? Some of Mexico’s rivers are the _____

Answer 1

Answer:

Grijalva, the Usumacinta, and the Conchos.

Explanation:

Answer 2

Answer:

the correct answer is option D) "Grijalva, the Usumacinta, and the Conchos."

Explanation:

There are several puntuation rules about comma usage. We use commas to separate words or group of words in a series. We also use comma within a series before the connector "and".

In the example provided, the only correct answer is D) since comma is used after each item in the list.