March 5th前要加什么介詞,還有7p.m前的介詞,以及 it lasts ( ) three hours.括號(hào)中填什么介詞,求指教

英語人氣：222 ℃時(shí)間：2019-10-30 07:21:27

優(yōu)質(zhì)解答

1.月份,年份前用介詞in:
In January,2005 / 2005年元月
2.幾點(diǎn)鐘前用介詞at
at two /在兩點(diǎn)
at 7p.m/在下午七點(diǎn)
3.it lasts ( for) three hours.
for表持續(xù)時(shí)間
這次會(huì)議已經(jīng)持續(xù)了兩小時(shí)了.
The meeting has lasted for two hours.
4.表具體某一天或星期幾,用介詞on.
從那時(shí)起,新年就在一月一日.
From then on,New Year's Day was on January 1
on Monday,在周一.