Review the item:
With a hotdog, Dris __________ Butler, her bulldog, to the car but could not get him onto the backseat; Butler sensed a trip to the vet and refused to budge.

The blank requires the simple past of lead, an irregular verb. Led is the simple past form.

Verb Simple
Present
Simple
Past
Past
Participle
lead lead(s) led led

Lead, the form you chose, is present plural. The sentence, however, requires a past tense verb. Before you continue, review the rules for irregular verbs.

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