expression的动词

用短语动词be或set来代替下列句子中大写的部分谢谢了,1、he HAS NOT YET RETURNED.he will RETURN in ten minutes.2、a new play is BEING PERFORMED at the globe theatre.3、when the concert ENDED,we went home.4、they will LEAVE very EXCEL数字在一定范围内变化的问题现有一列数,列E列 想演变出+,-0.02范围内变化的数,注意：是已经有了一列数字,根据它演变另一列范围在+,-0.02的数字 如图11所示,太阳光与水平面成60度角,要利用平面镜使太阳光沿竖直方向照亮井底,请通过作图确定平面镜的位置 证明:设三角形的外接圆半径为R,则a=2RsinA,b=2RsinB,c=2RsinC.（求证钝角三角形）请写详细些. 证明：设三角型的外接圆的半径是R,则 a=2RsinA b=2RsinB c=2RsinC 碱的性质 有机碱的性质有机碱和无机碱的主要区别有哪些?最好能举例说明(有机碱:三甲基氢氧化铵或三乙基氢氧化铵;无机碱:KOH),他们在醇和水的混合溶剂里碱性的表现形式,有机碱在有机溶剂里的碱 碱的性质是? 关于knock的短语!This flowerpoot is broken,Who knocked it ____I knocked ______ early yesterday and went to a football match. knock 短语The little boy run for the football and ___a man standing there.A.knocked down B.knocked at C.knocked into D.knocked That kind boy often share his toys with the other chirldren.此句中的kind 怎么译?还有the other是做定语的吧,能不能只要other dhirldren去掉the. 关于knock 的短语 We often provide our children with toys,footballs or basketballs,____that all children like this things.A.thinking B.think C.to think D.thought 为什么选A In class the boy often said something that had nothing 1 with his teachers' questions.In class the boy often said something that had nothing 1 with his teachers' questions.He had been in school for six years.And also he 2 making trouble for others.3 “2sinX”减去“1”小于或等于“0” 关于不等式的,请用不等式解答…要有过程~-.- 如何形容雄鹰 雏鹰用什么形容 He often uses a computer_______(help)with his work老师说写to help,我想问一下为什么是to help he often uses the Internet （ ） his workA do B does C todo 用所给动词的正确形式填空 Sometimes he（ ）（help)his mother with the housework. 找规律第一组2和4 第二组3和8 第三组4和12 第四组5和16 求前面一个数经过怎样的运算的到后面一个数? 归纳总结分别写出碱、盐、酸、金属单质的性质（并且写出关于它的方程式）希望今天晚上快一点回我. 初中总结碱和盐的性质,要总结的! 与无独有偶意思相近的词 我需要“Happy Children'day”主题的材料,英文的,不要太长的,要出黑板报用的.有翻译的话我会加分. 无独有偶 照样子写词语快 越多越好 1、My teacher often ____(help) me my English.2.th1、My teacher often ____(help) me my English.2.the girl____(know)a lot about computers. 列举我们政府为实现社会的公平正义做了哪些工作? 货币金融学 汇率变动计算某时期 美国通膨率 8% 英国通膨率 12%,根据相对购买力平价说,英镑对美元的汇率预计变化率多少?（8%-12%)/(1+12%)?为什么这么算,为什么英国减美国? 初三第二学期化学随堂练（碱的性质）今有下列选择1.盐酸2.烧碱3.熟石灰4.五氧化二磷5.氨气6.硫酸铜7.氢氧化铁,选择适当的物质填入下列（用化学式）1)属于酸性氧化的是____________________2)其 证明：设三角形的外接圆的半径是R,则a=2RsinA,b=2RsinB,c=2RsinC. 直角,锐角,钝角都帮我解答吧.谢谢