Which answer best completes the sentence?
in the to the coast of mexico.
following year cortes had to return,
following, year cortes had to return
following, year cortes had to, return
following year, cortes had to return

The correct way to complete this sentence is

In the following year, Cortes had to return to the coast of Mexico.

*When we use time phrases either if they are adverbial, conjunctions, etc... we have to use a comma right after it. The only option that has that structure is the fourth one.

did you ever get an answer? i'm on the same question : (

answers may vary, but my guess based on my personal education it has alwats been 3 or 4