1: _________________________( 我刚刚到家 ) than the telephone rang.

2:The old man regretted __________________________( 一事无成 ) in his life.

3:____________________( 他五十多岁 ), but he looks younger than his age.

4:Many big cities in the world ________________________( 正面临淡水资源短缺 ).

5:He said nothing, leaving me _____________________ ( 对他的计划毫不知情 ).

答案：

1: __ No sooner did I get home __( 我刚刚到家 ) than the telephone rang.

2:The old man regretted _ being nowhere _( 一事无成 ) in his life.

3:_ He is more than fifty years old _( 他五十多岁 ), but he looks younger than his age.

4:Many big cities in the world _ are facing the problem of lack of water resource _( 正面临淡水资源短缺 ).

5:He said nothing, leaving me _ having no idea about his plan _ ( 对他的计划毫不知情 ).