Take another look at the sentence:

Jennifer has discovered that hanging clothes outside to dry has its disadvantages. Recently, a spider crept into a pair of her jeans and __________ a day biting the "intruder"—Jennifer's bare leg—that had invaded the arachnid's new home.

The sentence requires the past tense of spend, an irregular verb. Spent is the simple past form.

Verb Simple Present Simple Past Past Participle
spend spend(s) spent spent

Spend, the form you chose, is present tense; it doesn't fit the timeframe of the sentence. Before you continue, review the rules for irregular verbs.

Go back to the sentence to try again.

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