44~46【題組】44. Why do dolphins keep an eye open when theysleep?(A) They need to jump out of the water.
問題詳情
44~46
【題組】44. Why do dolphins keep an eye open when theysleep? (A) They need to jump out of the water. (B) They want to swim fast. (C) They like to play with others. (D) They have to catch fish for babies.