800 câu trắc nghiệm Điền từ Tiếng Anh có đáp án - Phần 22

In addition to the direct costs of hosting the Games (the opening and closing ceremonies, athletes’ village, security, etc.,), cities often must build expensive new venues (2)_____ lesser-kno

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In addition to the direct costs of hosting the Games (the opening and closing ceremonies, athletes’ village, security, etc.,), cities often must build expensive new venues (2)_____ lesser-known sports. Once constructed, sports venues often incur additional maintenance costs long after the Games have ended.

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Giải thích

B là đáp án đúng