1). at 后常接几点几分,天明,中午,日出,日落,开始等。如:
at five o clock ,at down ,at daybreak ,at sunrise ,at noon ,at sunset ,at midnight ,at the beginning of the month , at that time ,at that moment ,at this time of day 。
2). in 后常接年,月,日期,上午,下午,晚上,白天,季节,世纪等。如:
in 2006,in May,2004 ,in the morning ,in the afternoon ,in the evening ,in the night ,in the daytime ,in the 21st century ,in three days 三天,in a week ,in spring 。
3). on 后常接某日,星期几,某日或某周日的朝夕,节日等。如:
on Sunday ,on a warm morning in April ,on a December night ,on that afternoon ,on the following night ,on Christmas afternoon ,on October 1,1949 ,on New Year s Day ,on New Year s Eve ,on the morning of the 15th 等。
例句:
He goes to school at seven o clock in the morning. 他早晨七点上学。
Can you finish the work in two days. 你能在两天内完成这个工作吗?
Linda was born on the second of May. 琳达五月二日出生。
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