Answer:
You were close, I believe these are the answers though.
Imagery:
-a silvery dust
-a gleaming white
-a pale fence
-green-draped parlor
Not Imagery:
-it's strange
-as I sit
-I remember Doodle
-an oriole sings
Step-by-step explanation:
"An oriole sings" is not imagery because it's not describing the bird, it's just saying what species of bird it is and what it's doing.
Hope this helps you out. :)