Take another look at the sentence:

Jeanne __________ her house of twenty years with great misgivings; she worried that the new owners would dig up the bones of her beloved cat, Emmy Lou, to put a pool or rose garden in the backyard.

The sentence requires the simple past of sell, an irregular verb. Sold is the simple past form.

Verb Simple Present Simple Past Past Participle
sell sell(s) sold sold

Selled, the form you chose, is a spelling error. Before you continue, review the rules for irregular verbs.

Try again to escape Grammar Hell!

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