Clark expertly navigated their expedition
Answer:
I'm only having a guess here:
Two, empty, and several.
Explanation:
"Two"
describing how many bulldozers there are
"Empty"
describing the parking lot
"Several"
describing how many weeks the bulldozers have been in the parking lot for
I haven't read the book, but it seems like he wants to earn Fortunato's trust so he can easily get his revenge in the end.