Here is the sentence:
While Clive stood on top of the fire ant mound, several of the insects crawled
over his shoes and __________ him on the ankles, sending the poor boy dancing
around the yard and slapping at his legs.
The blank requires the simple past of sting, an irregular verb. You chose stung, the correct form. Hallelujah!
Verb | Simple Present | Simple Past | Past Participle |
sting | sting(s) | stung | stung |