possible的形容詞是？

　　例句：

　　There are several possible explanations.

　　有幾種合理的解釋。

　　She blew her nose as daintily as possible.

　　她盡量文雅地擤了擤鼻涕。

　　Four possible outcomes have been identified.

　　現已確定有四種可能的結果。

　　We must consider all possible contingencies.

　　我們必須考慮一切可能發生的事。