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London 2012's Olympic torch relay started( )May 19
A.by B.in C.at D.on

2018-11-24 10:17:34热度:作者:admin来源:网络收集

答案 D
解释如下:



at, in , on, 和by 表示时间的区别:
at指时间表示:
1)时间的一点,一时刻:
They come home at surprise (at noon, at midnight, at ten o’clock, at daybreak, at dawn).
2) 较短的一段时间.可指某个节日或认为一年中标志大事的日子.
His grandfather died at seventy-two.
At the beginning (middle, end) of that month he was sick.
He went home at Christmas (at New Year, at the spring Festival, at night, at midsummer).
In指时间表示:
1)在某个较长的时间(如世纪,朝代,年,月,季节,及泛指的上午,下午和晚上等)内.
He died in the holidays.
He was born in 1942.
2) 在一段时间之后.
He will come round in a day or two.
I will finish it in three hours.
On指时间表示:
1)具体的时日和一个特定的时间,如某日,某节日,星期几等.
He will come to meet us on our arrival.
On May 4th (On Sunday, On New Year’s day, On Christmas Day), there will be a celebration.
2) 在某个特定的早晨,下午或晚上.
He arrived at 10 o’clock on the night of the 5th.
He died on the eve of victory.
3) 准时,按时.
If the rain should be on time, I should reach home before dark.

话题:Olympic London torch 

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