Review the item:
On Christmas Eve, Captain Beane wore a pair of antlers while greeting passengers boarding his 727. The costume __________ little trust in Louise, whose fear of flying required a serious pilot.

The blank requires the past tense of build, an irregular verb. Built is the simple past form.

Verb Simple
Present
Simple
Past
Past
Participle
build build(s) built built

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

Go back to the item to try again.