i set the alarm clock for 8:00.为什么用介词for,而不用别的介词,原因具体些哦,

I've set the alarm clock _5:30填介词 A: Did you set the alarm clock?B: No, I am off tomorrow.为什么用did you.? 用are you set the alarm clock? i set the alarm clock for 8:00.这里 为什么用for不用at.. 改写I have set the alarm clock for seven.（句意不变） i set the alarm clock for 8:00.为什么用介词for,而不用别的介词,原因具体些哦, he set the alarm ciock for seven改一版疑问句 he set the alarm ciock for seven改一版疑问句 set the alarm clock 当中,发完the 再读alarm总是很绕口请问set和 the可以连读吗,怎么连,the 和alarm可以连读吗,又怎么连~ Alarm The Alarm 歌词 We will set off early tomorrow,please set the alarm clock（ ） five. go off 的同义词句子是：I'll set an alarm clock to go off a few minutes early and put the clock by the telephone. 9.He set the alarm clock for seven.(改一般意问句) he the alarm clock for seven? 这句英语对吗?如果错的话如何改.After mading sure the alarm clock worked that I set so that it would ring at six O'clock . How can I wake up so early?set the alarm at 5.pm_____you will make it.A and B so为什么用A?B哪里错了? How can I wake up so early?----Set the alarm clock,____you will make it.A but B or C and D so A:Did you set the alarm clock?B:No,I am off tomorrow.为什么用did you.而不用 do you. After making sure that the alarm clock worked,I set it so that it would ring at six o'clock.求翻译,谢绝机译 If I want to watch a certain television program,...全句语是这样的?If I want to watch a certain television,I'll set an alarm clock at the right time and put the clock on the top so the TV set.这里有两个set,请问第二个set是什么意思