一个总机怎么设分机

there is a cat under the table.it is eating food there.(合并为一句）there is a cat —— —— ——the table. what is under the table?There is a cat.那什么时候用It is a cat.Sunday is the first day in a week.为什么星期天是第一天啊,我们中国人不是说星期一是第一天吗? what's under the table?A.It's a cat B.It is a cat C.There is a carwhat's under the table?A.It's a cat B.It is a cat C.There is a car x的2次方(1-2x)-5(x-1)的2次方.计算题! 用遗憾造句用遗憾造句用遗用遗憾造句憾造句用遗憾造句用遗憾造句用遗憾造句用遗憾造句用遗憾造句 一、若不等式组x≤4 x>a 无解,则a的取值范围是_______ 若该方程组有解,则a的取值范围是_______ 若该方程组有3个整数解,则a的取值范围是_______ 二、如果一元一次方程组x＞3 x＞a的解集为x＞3,则a My ()is old.She is at ()with me in the evening.括号里应该填什么啊? Is my backpack under the table?这样写对吗?还是这样写My backpack under the table?Is my backpack under the table?桌子下面是我的背包吗？My backpack under the table?我的被包在桌子下面吗？ His backpack is （under the desk）对括号进行提问 Are your watches on the table?（做否定回答）Is your bag on the desk?做肯定回答 x ² +2x-3=0的三种解法配方和十字相乘都用了，还有什么啊 x^2+3\2x-1>0 x^3_2x^2+3 x-0.2x=4的解法 显得,怎么造句?第一个必采纳 用胸有成竹造句 第一个必采纳 宇宙飞船发动机内氢气和氧气燃烧生成水的化学信息 One evening,three old men came to a house and knocked at the door.The hostess(女主人) opened the door.31 she didn’t know them,she asked them to 32 and have something to eat because she thought they must be 33 .To the woman’s surprise,they were There was a knock at the door.It was the second time someone ____ me this evening请问选哪个?为什么?interrupted B.had nterrupted one night,they sit down for dinner and there is a knock at the door. Her mother was cooking dinner at 6 o'clock yesterday evening 对 cooking dinner 提问 西游记中唐僧为何要去西天取经 《西游记》中唐僧师徒西天取经的故事给我们今人的启示是? 西游记原著里唐僧师徒西天取经的路线要原著里的,不要什么 长安(今陕西西安)——秦州(今甘肃天水)——兰州——凉州(今甘肃武威)——瓜州(今甘肃安西县东南)——玉门关——伊吾(今新疆 西游记的13至100回总写唐僧师徒经历什么难去西天取经 五年级上册语文19课描写人物动作.神态.语言句子有哪些?急急急急急急急急急急急急急 人民教育出版社语文五年级上册中描写人物神态的句子20个. 六年级上册语文18课描写动作,神态和语言的句子 第十三题咋做啊?急 English Evening如题.这是一档怎样的节目?在哪个电视台播出?是海外的电视节目吗?请附上中文介绍,谢谢. in the evening of sundays,i watch TV 改错我知道我问过。不过真的不确定， You should get out of the habit of sleeping during the evening. 英语句子改错 Seeing the sun raising above the surface of the sea ,we let out a shout of j...英语句子改错 Seeing the sun raising above the surface of the sea ,we let out a shout of joy .哪里错了,怎么改为什么