on January还是in January,前面用什么借此,还有就是年份（如new year、2009年）前面用什么借词,时间（如8 o'clock）前面用什么借词,星期几（Monday）前面用什么借词,还有at和in、on怎么区分?具体点!

是On January还是In January JANUARY 用IN还是ON 是on January,2010还是in January,2010? 是In January 1,1999还是On January 1,1999 January.1699前面用in,还是on On January 2011对吗?是用on 还是in? His birthday is-----------------january,中间是in还是on, in stock on january 16, 月份前用的是什么 介词 in 还是 onI was born on January eleventh.It's so cold in January. 英语翻译应该是In 1943 January还是In January ,1943 为什么? my brother was born （ ） the morning of January 1 用in还是on? in january还是on?还有My family usually clean(clean要不要加s,为什么)the house. He was _____ on january 27th ,1756,in Austria. 一句话：The best time to visit China is (in January还是January)帮帮忙 英语翻译如果说要翻译 在一月一日早上是用in the morning of the 1st of January 呢,还是用on the morning of the 1st of January Spring Festival is in January是对还是错? My birthday is （ ） January and peter's birthday is （ ） March 26th在括号内填in on at 还是for 或不填 要写Is it very cold in january and february,还是It is very cold in january and february?