Happy, Joyful, Elated

D. ECSTATIC

Calm, Peaceful, Tranquil

C. SERENE

Choose the word that is similar to the group: 'fast, quick, rapid'.

B. SWIFT

Choose a word similar to the group: Happy, Joyful, Elated.

C. CHEERFUL

Calm, Peaceful, Tranquil

C. SERENE