Take a look at the sentence again:
Diane always wonders where she will next discover a pair of her husband's
dirty socks. Yesterday Mike __________ two in the refrigerator next to a
carton of orange juice.
The sentence requires the past tense of leave, an irregular verb. Left is the simple past form.
Verb | Simple Present | Simple Past | Past Participle |
leave | leave(s) | left | left |
Leaved, the form you chose, is a spelling error. Before you continue, review the rules for irregular verbs.
Go back to the sentence to try again.