dance
[误] Well invite you and your wife to a dance party.
[正] Well invite you and your wife to a dancing party.
[正] Well invite you and your wife to a dance.
[正] Well invite you and your wife to a ball.(美语中常用ball作为舞会。)
date
[误] He studied ten hours a date.
[正] He studied ten hours a day.
[析] date是指具体日期。如问Whats the date today? 应回答具体日期：October 1st 1998.而day是指1日(24小时)。如What day is today? 问的是星期几，应回答Its Sunday.
[误] Todays date is January first. 1998.
[正] Todays date is January 1， 1998.
[正] Todays date is January 1st， 1998.
[析] 在日期书写中不要用序数词全写，而要用1st， 2nd， 3rd如果一定要用序数词，其顺序应为：It is the first of January.
day
[误] This is a book about every day English.
[正] This is a book about everyday English.
[正] This is an everyday English book.
[误] We go to school everyday.
[正] We go to school every day.
[析] everyday是形容词，意为日常的，而every day则是每天、天天之意。