（a blue whale） is the biggest whale（）中为什么不能这样表示?不是有a horse c

（a blue whale） is the biggest whale（）中为什么不能这样表示?不是有a horse c the biggest whale is the blue whale.或the biggest whale is a The biggest whale is( )blue wale.A.the B.a The biggest whale is ________ blue whale,which grows to be a 英语选折1 () The biggest whale is blue whale,which grows to be a The biggest whale is the blue whale.可以替换成The biggest whale i 英语翻译Blue whale the blue whale is the biggest animal ever to The blue whale is the biggest animal in t 1 The biggest whale is the blue whale,which grows to be . 英语选折() The biggest whale is blue whale,which grows to be abo I am the biggest blue whale The Killer Whale is （ ）.