英语翻译Have ,been happy had □ have a commitment.would have to b

Have been happy 曾经高兴过 had □ have a commitment。犯了错误 would have to be,本来应该scattered clouds flying 风吹云散 □ once,曾经who had been,谁曾经exhausted筋疲力尽 □。had already gone okay。all都已经搞定。