Here is the item:
When Professor Tighe saw Julie using Moby-Dick as a coaster for a sweating glass of cold soda, he __________ down his briefcase and lectured the poor young woman on showing proper respect for great literature.

The blank requires the past tense of throw, an irregular verb. You chose threw, the correct form. Good job!

Verb Simple
Present
Simple
Past
Past
Participle
throw throw(s) threw thrown

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