Thebiggestwhaleis

問題詳情：

 The biggest whale is _____ blue whale, which grows to be about 29 meters long—the height of ____ 9-story building. 

A. the; the          B. a; a                  C. a; the                D. the; a

【回答】

D

知識點：冠詞

題型：選擇題