不用加on
1.Today is my birthday.
今天是我的生日.
2.Today is Thursday.
今天是星期四.
3.The fashions of today change very quickly.
现今的时装式样变换很快.
4.I feel my fingers are all thumbs today.
我觉得我今天笨手笨脚.
5.There is a breath of autumn in the air today.
今天的天气已露出了一丝秋天的气息.
6.The media have a lot of power today.
现在大众传播媒介有很大的力量.