Reading isn't "reasonably' strong or solid ;)
Answer:
put·ter
/ˈpədər/
verb
gerund or present participle: puttering
move with or make a rapid intermittent sound.
"barges puttered slowly through the water"
Explanation:
I cannot help you with that since I do not know what "passage 1" is referring to. Nor the underlined sentences on page 3-4. Include the literacy text.