Review the item:
At the beginning of the semester, Joyce anticipated learning about Egyptian archeology. Her interest __________, however, as the monotonous lectures of Professor Nelson provided facts dustier than mummy wrappings.

The blank requires the simple past of shrink, an irregular verb. Shrank or shrunk is the simple past form.

Verb Simple
Present
Simple
Past
Past
Participle
shrink shrink(s) shrank or shrunk shrunk or shrunken

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

Try again to escape Grammar Hell!