生产函数模型

祈使句and变or吗?我们考试的时候有一道这样的题 Don't eat _____ shout in the hallways,是and还是or啊? MAC是什么的缩写,表示国家或者地区. 含有or或and的祈使句怎么赶成复合句 《散落的钞票》 缩写把北是大版的语文书里的《散落的钞票》缩写要100字以内,不要太短也不要太长.对于我来说,好的加20分.要把壮汉那部分写的详细点！ 祈使句+then/and/or的区别例子特别是then和and 帮我看一下这几个是什么货币的缩写哦?谢谢!请问：RMB USD EUR JPY CNY GBP DEM 都是什么货币的缩写形式?谢谢帮忙啊! 英语翻译特殊疑问词+to do怎么回事 Here __a pen and two books for you,A isB are 选哪个 ,为什么?就近原则的还有哪些? Here are a pen and two books for you改错说明理由, Her books are here and there. 为什么用AND连接的祈使句对于条件状语从句要言之有理,最好今天有,打错字了，应该是“为什么有AND连接的祈使句等于条件状语从句” 祈使句,and祈使句+and.中间有逗号隔开吗就是可以和IF互换的那种句型 祈使句+and+陈述句----Mum,I am afraid I won't do well in the coming test.----Honey,_______more careful,_______you will make itA.be ;and B .be;then 选什么?为什么? 可以这么用吗 祈使句 加 祈使句Do it and open the door. Closing a rhousand years licensed是什么意思 years passed 意思 yes i am和no,i am not 那一个可以缩写, 「i am not」在什么条件下一定要简写为「i’m not」 Jim learned _____ the piano when he was four years old.A.to play B.to plays C.playing D.played理由,感激不尽!learn to do sthlearn doing sth这两种用法好像都有,区别呢? He began to play the piano when he was seven.(同义句)He( )( )the piano ( )he was seven. The boy was seen _ the piano at 9 yesterday.A.to play B.play C.playing D.palyed我认为答案是A,被动语态要加to 为什么答案是C呢? 祈使句+will you 怎样回答 把you will turn right and go along the highway 改为祈使句 祈使句：will you please stop talking and listen to me!will 是助动词,助动词后不是要跟动词原形吗?为什么还是stop talking呢?不是stop talk?我知道stop接动词要用Ving形势. 翻译句子：1、You remember that?2、Not any more. 是want to do sth and do sth还是want to do sth and to do sth? would like to do sth加上and,后面加to do sth还是do sth啊 the nineteen twenties and nineteen thirties是什么形式为什么后面不是twenty thirty? The book is set in the American South in the nineteen thirties.But it was published fifty years ago,on July eleventh,nineteen sixty.这句话怎么翻译! Do remember to ask sth 算是强调句么 省略Do remember变成什么形式 改后算祈使句么 改后的句子是什么?