24.alone， lonely
alone只表“独自”的客观状态，没有感情色彩，只作表语;lonely表“孤独”，：“寂寞“，能作定语和表语。如：When she is left alone， she feels lonely. (剩下她一人时她就感到寂寞。)
alone， only均可表“只有”，但alone须置于被修饰词之后，only往往置于被修饰词前。
如：He alone (Only he) can remember the story. (只有他才能记起这段经历。)
25.already， all ready
already已经(副词)。如：The plane had already landed before we got to the airport.
all ready准备好的(作表语)。如：We were all ready to leave when the telephone rang.
