Here is the item:
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 blank requires the simple past of sing, an irregular verb. You chose sang, one of two correct forms. Hallelujah!

Verb Simple
Present
Simple
Past
Past
Participle
sing sing(s) sang or sung sung

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