单词拼写!根据所给句子的意思及所缺单词的首字母和第二个字母,写出该单词,使句子意思完整通顺合乎语法

单词拼写!根据所给句子的意思及所缺单词的首字母和第二个字母,写出该单词,使句子意思完整通顺合乎语法He didn't pass the examination so he was very di_____.Mr Smith will give us a sp_____at the meeting this afternoon.The book was no______to be found.I'm looking forward to he______from you.最好给我翻译一下句子.有些地方看不懂,