He had came downstairs to find him already gone is that verb past tense or with a verb

In the sentence above, which verb is the irregular verb? a. laid b. warmed c. removed d. walked

Whats the importance of gaining a general understanding of and interpretation of the work of literature. explain what the importance is to me

You're playing the slots and "win" twenty-five bucks! you're stoked. during the past ten weeks, you've won another fifty bucks. but you've dropped two bucks in the slot machines every day for ten weeks