Question

select the correct answer from each drop-down menu.
based on what you learned about hyphens, complete the sentences.
the professor seemed very self-assured, but the students were afraid he would resign, which is why they the petition to investigate the false made against him.
(options for the first blank: re signed, resigned, re-signed; other blanks have drop-downs with options not fully visible)

Explanation:

The sentence context is about students' action regarding a petition. "Resigned" means they gave in or submitted the petition (though the phrasing here might be about signing, but "resigned" is incorrect for signing; wait, maybe a typo, but among the options, "re - signed" would mean signed again, but the correct hyphen usage: if it's "re - signed" (re - sign means to sign again), but the context: students want to get the petition signed (maybe re - sign? Wait, no, the original sentence: "which is why they [blank] the petition". Wait, maybe the correct option is "re - signed" if it's about signing again, but the dropdown has "re - signed". Wait, the options are "re signed" (incorrect spacing), "resigned" (past tense of resign, meaning quit), "re - signed" (past tense of re - sign, meaning sign again). The context: students were afraid he would resign, so they re - signed the petition (signed it again to support or something). So the correct hyphen usage is "re - signed" as "re - sign" is a verb with a hyphen (prefix "re - " meaning again, so "re - signed" is correct for the action of signing again.

Answer:

re - signed