It's _ _ _to change water for the goldfish every day 你不必天天给金鱼换水_英语解答

It's _ _ _to change water for the goldfish every day 你不必天天给金鱼换水

人气：212 ℃　时间：2020-02-03 18:57:44

解答

unnecessary:不必要
un+形容词：多表示该形容词的否定意思.