求原因,（我写的是A,I shall never forget the years ------ I lived in the country side with the farmersA thatB whenC whichD where

求原因,（我写的是A,I shall never forget the years ------ I lived in the country side with the farmersA thatB whenC whichD where I am sorry.I have no time to go to the party.A.won't IB.am IC.do I D.shall I我可以告诉你答案是D,但我不知道原因诶 will的所写是‘ll吧,那shall呢?i’llhe’ll对吧.shall的缩写是? 谢谢 will 和 shall 的区别和用法,我知道 shall是用于i 和 wewill 用于第三人称,可是书上写的表格,i 和 we 用 will 和 shall都可以,请问 i 和 we 的情况下,用 will 还是 shall!across 和 cross的区别和用法! let us take a coffee break,shall we?下面的回答是 我希望我应该去,但是我的时间很紧.i wish i ---- .A can B shall C could .D should shall I make a cup of tea or coffee for you?shall表示的是 将 ；将要 ； 会.shall I make RT：whoever can answer one of my questions ______ receive a prize.A.might B.shall C.should D.wou我要知道的是原因， c语言平均数,求n个数的平均数这是我写的,有些错误,我没有财富值了,#include #include #define n 10void main(){ int a[n],sum=0,i;float average;printf(输入 );for(i=0;i 谁能帮我解释一下(A/P,i,n)=(A/F,i,n)+i还有(A／F,i,n)=(A／P,i,n)-i这两个公式?(A/P,i,n)=(A/F,i,n)+i还有(A／F,i,n)=(A／P,i,n)-i这两个公式是正确的吗?是如何计算出来的,我头都蒙了~ let me play the computer games for a little while,-----?A.shall I B.will you它的反意疑问句是shall I 还是 will I --Shall I wake you up tomorrow?--Yes,__.A.please do B.you shall C.you will D.you may选什么?为什么?把理由说清楚点.能不能再说下怎么来回答shall提的问题?这里答案是选A，我就是想问一下，shall的问题怎么回答 shall i get you a chair?oh,no.please do not bother.i will not stay long 这里打扰的是我还是你? i think i ( ) speak English very well,when i was finish my lessonscould ,shall be able to ,am able to ,can选哪个求理由when i was finish my lessons里的was去掉，我写错了 英语选择题（shall,will,can&may）— Who would like to help me with the heavy box?— I __________ .A.Shall B.will C.can D.may我选的是C What shall I do?的回答该怎么说?有一道题是这样的：---It's such a long way,What shall I do?---You____take my car if you want.A.will B.may C.should D.shall 我感觉选may读起来比较通顺,但是按 语法或者外语的语言习惯 I shall 的缩写 It's a fine day.Let's go fishing,shall we?It's a fine day.Let's go fishing,shll we?答案写的是shall we?我写的是isn't we?麻烦谁解释下,明明前面有be词（is)不用,非要加个shall.请解释的通俗点,本人底子差.23.The buildin 求(1/n+1)+(1/n+2)+……+(1/n+n)的极限拆开分别求我知道是错的,错的原因是什么?