Help the confused barista complete the notes about the regular customers by choosing the correct word for each blank.

When Mr. Henderson orders a triple espresso, the staff watch in awe as he drinks it in a single gulp.

When Mr. Henderson orders a triple espresso, the staff watch in awe as he drinks it in a single gulp.

he is a subject pronoun replacing "Mr. Henderson," who is performing the action of drinking.

it is an object pronoun replacing the "triple espresso," which is receiving the action.