The answer to your question is: Why does Lennie not have it in "his" pocket? Because Lennie would have lost that card so George held it.
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What does Lennie have in his pocket?
Answer: Lennie carries a dead mouse in his pocket; however, Lennie's constant petting and strength kills the mouse, and George makes Lennie throw it away.
The choice that best describes the word <em>enthusiasm </em>is adverb phrase.
How was the suggestion greeted? With enthusiasm.
Since adverbs are used to answer the questions how, when, where, etc., this too is an adverb phrase.
It cannot be an adjective - enthusiastic is an adjective.
Appositive phrase is set off by commas.
Gerund phrase is a verb that ends in -ing.
Which is NOT a way that Laertes is a foil to Hamlet?
Spied on by Polonius