Mark the letter A, B, C or D on your answer sheet to indicate the word(s) SIMILAR in meaning to the underlined word(s) in each of the following questions.
A. closed up
B. closed
C. closed down
D. closed into
* Đáp án
* Hướng dẫn giải
Đáp án là C. go out of business = close down : phá sản, đóng cửa