作业:自制凸透镜照相机

-how many trees do you think____ last spring-About 1000.They did a very good job.A.were planted B.did they plant 为什么是A b为什么不行?不是有They did a very good job怎么样用b 这个句式是什么 how many apples do they need？这个 47.How much do you think that vase ___d__?A.is cost B.used C.was paid for D.cost为什么选D? 英文句子语法if preventative action is going to work ,you really do have to have everyone on board .怎样理解" do have to have everyone on board " 这一句? 关于一句英文句子的语法What the profound cartoon reflects is a not uncommon social phenomenon,from which we can observe that in this cartoon stand two men and a bottle of milk.后半句的语法请解析一下, his friends are going to take a trip next month,take a trip划线,对划线部分提问 求燕姿的 《that i would be good 》 《 Tonight i feel close to you 》 《 venus》 歌词最好带翻译 大字怎么写 勇敢怎么写?大字 谁知道那几个大字怎么打? 请帮我看看 这个写的英文对不对 有没有错误 语法请帮我看看 这个人写的 如果你是外国人 你看得懂吗1.No matter is a Canadian,Quebec person or Montreal the person can only be regarded as the status of a half(As usua 英语翻译:"我自己想想都笑出来了,我的语法有这么多错!纯粹的中国式英语" 中东地区有哪些国家? I am Going to Take a Trip改为一般疑问句 Yes,I am going to take a take a trip．的问句是什么?根据答句写问句． I am going to take a trip to kunming.写出答句 tall,long,clever,谁能把他们变成比较级形式? come too my home and watch tv .改病句 Then come to my home.Let's watch TV together的意思 请问 谁知道 双大字 怎么打?就是 2个大字在一起 和 从 子一样 就是多个横 请问这几句英文文法有错吗?只是随便写写,并没有特别意思,请勿太多揣测.翻译成英文,这文法正确吗Just casually write,and no special meaning,don't too much speculation. 这几句英文文法有错吗?中文是这样的：网页寄存正在转移中.龟速（意思是很慢）网站即将启动,请稍後再到访!翻译後：Web Hosting is being transferred.Turtle-speed website will be coming soon,please try again la I'm going to take part in a singing contest.这句画包含了那些语法呀? Su Yang is going to take ____ in the singing contest.A.part B.a part C.parts they are going to take part in a singing contest this afternoon.改为同义句they [ ] take part in a singing contest this afternoon. 中东地区战争不断的主要原因写最主要的 I am going to take part in the contest.改成一般现在时,现在进行时,过去式,现在就要. 为什么中东地区战争不断? 谁知道关于现在中东地区战争不断的起源传说?并且要告诉我为什么而打,打了多少年了? tall、short、strong、fast的比较级,他们的规律是? 中东地区冲突战争不断,其主要原因是什麽?你认为怎样才能让该地区有一个和平的环境? tall.old.young .strong.short.这些单词的比较级 i,m tall.you,re short.(连成一句比较级的句子）