Answer:
conniving
Explanation:
Read the sentence.
I could tell by the mischievous gleam in their eyes and the sneaky looks they were exchanging that my little brother and sister had been planning to deceive me in some way.
The most precise replacement for the underlined word is "_______________."
~Arranging
~Preparing
~Conniving
~Organizing
Happy
Because he said "improved" several times, and improvement is a good thing that makes most people happy
D) For oft, when on my couch I lie
In vacant or in pensive mood,
They flash upon that inward eye
Which is the bliss of solitude;
And then my heart with pleasure fills