请帮我理解一下“was up at”在以下句子的意思We were all laughing up our sleeves at the teacher when he was up at the blackboard explaining the math problem

请帮我理解一下“was up at”在以下句子的意思We were all laughing up our sleeves at the teacher when he was up at the blackboard explaining the math problem His parents died when he was very young, so he was ______ by his uncle.A.brought up B.grown up C.got up D.risen选A,请帮我分析一下,谢谢! 请告诉我sleep,go to sleep,get to sleep,go to bed的区别,包括用法、含义等,然后帮我用这些词组填一下下列句子,要用适当形式.1.I couldn't ______ last night.I was too excited.2.I ________ at 9 o'clock and woke up at 6.3.H 帮我理解一下牛顿第一定律 It was a meeting ___ importance I did not realize at the time.为什么要填whose?请帮我翻译一下. The crew was made up of accomplished sailors and thus were highly paid to do the work on the ship.请高手帮我分析一下上面句子的结构 那个thus把我弄得有点晕 、还有一问：At this point,the little boy came out running towards I tremble at the very thought of it.怎么理解,帮我分析一下这句话 Lulu always gets up at six o'clock(用at six o'clock)用(at six o'clock提问请大家帮小妹想一下啦 “以-able,或 -ble结尾的形容词可置于由形容词最高级或only等词修饰的名词后面.请帮我理解一下. 请帮我翻译一下Westlife（西城男孩）的 You raise me up歌词 Pls find the customer information below and follow up请帮我翻一下这句话 …,so hard is it to give up.请帮我分析一下句子语法 英语阅读理解 【可以帮我解决一下中文吗】1、 It's Sunday .I never get up early on Sunday.Sometimes I saty in bed until Iunchtime.Last Sunday I got up very late .I looked out of window .It was dark outside .It was raining again Just 请精通英语的人为我解答一下,he与him的用法.在下面我举一个例子：I smilled at him,said it was a sparrow and kissed___这里应该填he还是him?请帮我分情况说明：可举例子，什么时候用he，什么时候用him 重金求专业学习英语的老师帮我解一道选择题：【急】,希望帮我分析一下问题的句子结构,1._______trying to persuade[说服] his father to give up smoking `s letter was rejected[拒绝]?A.Aiming at B.Aimed at C.Being aim 请告诉我一下英语句式错在哪里.1.You had better not to ride my bike.I'll use it right away.2.When he was at school,he should get up early and take exercise. After the war,a new school builing was put up ______ there had once been a theatre.A.that B.where C.which D.when请帮我解释一下!说一下D，谢谢！ the way 的用法?请大家帮我分析一下这里THE WAY 的用法是如何用的?they felt that the way the planets lined up was important.这是是定语从句吗?