等差数列首项是1，末项是9，各项的和为20，则这个数列的项数是

we're doing our best to make our city more beautiful with the help of the people all over thecountry and the developement of our country,i think harbin will win.怎么翻译! snow in the united states,fireworks and more beautiful,our best. This is my teacher This is my teacher.怎么变为一般疑问句? I like the old house.I used to live in the house.把两个句子合二为一:I like the old house_ I used to live_.能用that in The house__________ the capitalist used to live in is now a nursery.A.that B.where C.what D.when,为什么? a small number of students ( ) the subway为什么要写take而不是takes Tom is still in the classroom.------Is there()someoneanyoneanythinganyone else可以说下原因么 Tom’s classroom is in the c_____of his school 把That is a desk改为一般疑问句并作肯定回答,否定回答 That is my teacher.改为一般疑问句. That is your desk.改为一般疑问句 ( )____number of the students in our lass ___40.A.The;is B.The;are C.A;is D.A are为什么后面的那个空要填is丫？ Mille won the first prize in the English competition同义句转换Millie —— ——in the English competition两空 A number of the students ( ) boys. The number of the students ( ) 40. A.are B.is答案是什么 请告诉我句子的意思和涉及的知识 告诉我为什么选这个答案 谢谢啦 _____(Luck).I won first prize in the school drawing competition.还要整句翻译吧. ( )students( ) learning English hard.A.The number of;is B.The number of;are C.A number of;isD.A number of;are IS Tom running in the garden怎么改成否定句 今天上班给我取了个英文名字Martin请问是什么意思 _____ clever the girl is!为什要用how,而不用what a Sheila isunderstood ------ won the first prizeA having B to have C to has D to have 请教一些美国人常用的口头交际语 为什么华罗庚没有听美国教授的话留在美国呢? the number of the students is_____A large B small C good D great 另外问题2：对填空的类容进行提问 怎么说 可以说：“ how large is the number of the students? Tom speaks loudly in the classroom对划线部分提问(答案) Today Is Gonna Be A Great Day飞哥与小佛主题曲 求飞哥和小佛主题曲Today is gonna be a great day 跪求飞哥与小佛Today is gonna be a great day 关于《肖申克的救赎》的影评 英文的,300到400字 The number of the students in our class______60 为什么用is而不是has? 英语翻译The story may sound simple,but the truth behind the words is remarkable.When I heard the name of the film first time,I considered the Shawshank to be a man’ name,but in fact it is a jail’s name——a hell in the world.Not only for th 一个更字加一个生字,读音为su还是shu的用五笔或是用智能怎么打出来哟?