提完很多建议之后是说that is a good idea还是those are good ideas

提完很多建议之后是说that is a good idea还是those are good ideas What is that? A-It is a pen. B-Yes,it is a map. C-That is a desk. D-That is a pen.用哪个,好像A C D,都可以吧.是选项,到底是哪个?说理由 what is that怎样回答?只能用It is 如果是It is a computer 我说 that is a computer 对么? 语法选择：Here ___ some advice that can help you .（are/is）.后文有几条建议.回答请说理由,谢 是that is a apple 还是that is apple 关于what is it that和how it is that强调句的疑问句到底是What is it that.还是What it is that.The questions that puzzled them is ___ they can win.A how is it that B how it is that老师说选B 为什么 用英语说：提建议 高三语法知识懂得come in1A tiger is a type of very large fierce wild cat that has yellow fur with black bands across这里的aross是什么用法?2步步高讲义是上关于数词的知识那节说数词用在such之后例句:Such one diction 是不是说很多年之后可以分解的?环保的? 4.After____seemed a friendly exchange of greetings,the foreign ministers of the two countries sat down to talk business.a.what b.which .c.that d.it(越详细越好,说一下添完之后做什么成分) 5．Professor Yuan is reported ____ another brea that is his和that is he和that is him有什么不同,用法和语法上我见很多美剧在说：“那是他”的时候都用that is him啊,但是老师说that is he,google翻译说that is his it is high time that...是什么从句? it is a pity that...是什么从句?在网上查这两个句型,说“it is high time that...”是定语从句? “it is a pity that...”是主语从句?怎么区别的?“it is”和“that”之间不都 The house () they are living is new.Athat B which Cwhere Dwho老师上课时说很多情况都可以用that,但具体是那些情况呢?有时必须用where、who、之类的,又是哪些情况? We can see that is a pear.改为否定疑问句（ ） （ ）see that is a pear?顺便说一下The boy behind the door is Tom.对画线部分提问，画线部分是behind the door That [are/is] a dog.是 is 还是are? Is that a pencil?的答语是Yes,it is.还是 Yes,that is. 关于托福口语第5题看到第五题的模板一般都是开头先说problem,然后one possible solution ist that...Another solution is that...最后提出我自己的看法.我的疑问是：其国一方提出的建议被另一方否认的原因 我数学还可以,做那种奥数应用题也行,但就是奥数里面的计算我很老火,很多定律我也不知道,很多简便算法我也不知道.给我提一点提高奥数计算的建议,还有说一下计算的定律,比如（a+b）的平