Which of these singular nouns has an irregular plural form? house, bear, foot or chimney

In the poem, collins compares his love to a pigeon on a generals head

Respect for the environment means a: loving trees and animals b: not drinking out of streams c: making as little impact as possible on wilderness areas d: only using resources that are high in supply

Critical reading what do you think keats means in these lines from "when i have fears that i may cease to be"? i may never live to trace / their shadows, with the magic hand of chance a. i may never live to paint pictures of them. b. i may never have a chance to look at them again. c. i may never leave the shadows as long as i live. d. i may never live to write about them. select the best answer from the choices provided