...be legislated,decided,as a committe for a compromise agreement at last arrived at ..
時序： 1. She left. 2. Henry arrived . 3. So she did not see him. 正確答案：B 「過去完成式」she had left在「過去簡單式」he left there之前發生 先離開的她沒看到後來到的他（時序合理）
...過了期"/延誤了，對方才會用這複雜的句式。 這動詞should have had arrived 拆解如下： arrive 是基本動詞=對方想表達的主題是貨物的"送達"/"到達...
If you arrive at hotel earlier, you can leave your baggage at cloak. = 要是 你提早到達本旅店 你可以將行李 寄留放在 藏衣間裡面.