40 Over millions of years, birds such as ostriches, emus and penguins have _____ lost the ability to fly.
(A)gradually
(B)properly
(C)suddenly
(D)temporarily
詳解 (共 4 筆)
未解鎖
gradually 1 Dr.eye...
未解鎖
經過幾百萬年,鳥類,例如鴕鳥.火雞和企鵝...
未解鎖
Over millions of yea...
未解鎖
原本題目:40 Over million...
私人筆記 (共 1 筆)
未解鎖
正確答案:(A) gradually /...