Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
To be honest, I go to the museums once in a blue moon.
A. from time to time
B. once in a while
C. very often
D. seldom
C
“once in a blue moon”: rất hiếm, hiếm khi
Trái nghĩa là “very often”: rất thường xuyên