Take a look at the sentence again:
While crawling along in rush-hour traffic, Kay cranked up her car stereo
and __________ the lyrics to "Back in Black" with AC/DC, oblivious to the
scowls of annoyance from the other drivers trapped beside her.
The sentence requires the simple past of sing, an irregular verb. Sang is the simple past form.
| Verb | Simple Present | Simple Past | Past Participle |
| sing | sing(s) | sang | sung |
Sung, the form you chose, is the past participle. Use this form when you have one or more auxiliary verbs. Before you continue, review the rules for irregular verbs.
Try again to escape Grammar Hell!