A. To be extremely happy
B. To be sad
C. To be confused
D. To be angry
Answer: To be extremely happy
A. To be extremely happy
B. To be sad
C. To be confused
D. To be angry
Answer: To be extremely happy
Additional Information: 'Be on cloud nine' means to be in a state of bliss or extreme happiness.
Subjects: Idioms and Phrases, Vocabulary