Tigersarestrongandda的精選

問題詳情：閱讀下面的材料，根據材料的內容，選擇正確*填空。Tigersarestronganddangerousanimals.Butnowtheyareindanger.Inthepast,therewereeightkindsoftigersintheworld.Butduringthe20thcentury,onlyfivewereleft.The...