Take another look at the sentence:
Sherry should have __________ everyone the truth. Then poor Rebecca would have declined a bowl of soup instead of vomiting in the bathroom once she learned the recipe included half a cup of frog tongues.
The sentence requires the past participle of tell, an irregular verb. Told is the past participle form.
|Verb||Simple Present||Simple Past||Past Participle|
Teld, the form you chose, is a spelling error. Before you continue, review the rules for irregular verbs.