题目内容
Flight BA 123 to Vienna is now boarding at______.
A. Gate 21 B. 21St Gate C. the Gate 21 D. 21 Gate
A
本题是名词和数词的考查。数词放在名词前用序数词,放在名词后面用基数词。

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Flight BA 123 to Vienna is now boarding at_______.
A. Gate 21 B. 21St Gate C. the Gate 21 D. 21 Gate