We couldn’t fly because all the tickets had been sold out. economics economy economical

Câu hỏi :

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

A. economics

B. economy

C. economical

D. economic

* Đáp án

B

* Hướng dẫn giải

Đáp án B

cụm từ “fly economy” ( đi máy bay với vé giá rẻ # fly business )

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