A on
in后面所接的都是較長(zhǎng)時(shí)間.具體用法有:
1. 表示在較長(zhǎng)的時(shí)間里(如周/月份/季節(jié)/年份/世紀(jì)等).如:in a week; in May; in spring/summer/autumn/winter; in 2008; in the 1990’s等.
2. 表示在上午、下午或晚上.如:in the morning/afternoon/evening.
3. in the daytime(在白天) 屬于固定搭配,指從日出到日落這一段時(shí)間,反義詞組是in the night.
4. “in + 一段時(shí)間”表示“多久以后/以?xún)?nèi)”,常與將來(lái)時(shí)連用.如:in half an hour; in ten minutes; in a few days等.
on所接的時(shí)間多與日期有關(guān).具體用法有:
1. 表示在具體的某一天(如日期、生日、節(jié)日或星期幾).如:on May 4th, 1919; on Monday; on Teachers’ Day; on my birthday; on that day等.
2. 表示某一天的上午、下午或晚上.如:on the morning of July 2; on Sunday afternoon; on a cold winter evening等.
at指時(shí)間表示: (1)時(shí)間的一點(diǎn)、時(shí)刻等.如:
They came home at sunrise (at noon, at midnight, at ten o’clock, at daybreak, at dawn)
(2)較短暫的一段時(shí)間.可指某個(gè)節(jié)日或被認(rèn)為是一年中標(biāo)志大事的日子.如:
He went home at Christmas (at New Year, at the Spring Festival, at night).
We clean the classroom ( )Friday afternoon.
We clean the classroom ( )Friday afternoon.
A.on B.in C.at D./
A.on B.in C.at D./
英語(yǔ)人氣:144 ℃時(shí)間:2019-12-07 03:07:40
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