Think its a and b might be d but most likely not so yea
a and b
A. Smoothest is the answer because superlative means <span>of the highest quality or degree.</span>
Regret,
unhappiness,
sadness,
ruefulness,
grief,
sorrow,
gloominess,
mournfulness,
lugubriousness,
sorrowfulness,
rue,
ruthfulness.
Antonyms: happiness.
Text structure refers to how the information within a written text is organized. This strategy helps students understand that a text might present a main idea and details; a cause and then its effects; and/or different views of a topic.