Take a look at the sentence again:
All of Charlie's hopes sinked when the telephone
rang and the beautiful Delores
told the eager young man that she didn't
have time to study calculus that evening.
The first verb, sinked, is the problem. The sentence requires the simple past. Sank is the correctly spelled form.
| Verb | Simple Present | Simple Past | Past Participle |
| sink | sink(s) | sank | sunk |
Rang, the verb you chose, is perfectly correct. Before you continue, review the rules for irregular verbs.
Go back to the sentence to try again.