化学反应中的质量关系

How many _____are there in twelve?A.two B.two's C.twoes D.twos哪个答案是对的? 填词：My best friend------the part of Romeo in this show.2、You are in------with ten other people for the job ,so you have to try your best. 汤姆叔叔的小屋好句摘抄,至少十句 《哈利波特与魔法石》读书心得500字左右 拜托请总结一下《哈利波特》中所有教授的名字以及他教授的课程.名字可以没有中间名,但要中英文都有,一定要标明每个教授所教的课程. not being 和having not?为什么not being 和having not同样可以做句子的开头,而一个not在前,一个在后呢? not being to China 与not having been to China的区别是什么? not having 等于什么 划线部分提问 mine,The red pen is mine. This is a pen. The pen is a red 怎么改正确在线等 the red pen is mine.red是划线部分,对划线部分提问 you may feel that you have plenty of time on your hands 这句话是什么从句 ? the pen is red color有什么错 大家读《哈利波特》的读后感是什么? 求读哈利波特有感 英文版短一点的,就初中水平,如果方便,请附翻译,就是用英文写一篇读后感，关于哈利波特的，一般初中水平 对流星许愿愿望真的能实现吗? Can you tell Merry__her twin sisterA to B with C between D from 对流星许愿真的会实现愿望吗? 汤姆叔叔的小屋好词好句 关于黄帝的故事 填空 ( )there any kites in the classroom?(be)讲明为什么的哦? There is a computer in my classroom改成一般疑问句 向流星许愿真的能实现愿望么..真的可以么. 心有阳光 记叙文实例需要一片记叙文 心有阳光或者提供一个关于这个中心的事例也可以（但要叙述的完整细致）需要自己的事例~ 翻译.to get to the place you are going to 英语翻译语境是两个小孩在一起玩,其中一个小孩扮演鳄鱼吓唬另一个小孩,被吓的小孩说出了以上的话,这里get 谁有好词好句摘抄!（带出处的 最好是有名的作家） Dear friends, Do you k you are lucky when you are sitting in the bright c and having your classes or enjoying your nice food at home? Can you feel many children in Haiti(海地) are very 1 , too? We know an earthquake(地震) happened If you are going to exercise outside,to drink plenty of water.在做雅思听力的时候碰到了这样一个句子.为什么逗号后面用“to ”呢?百思不得其解. The doctor advised me to get plenty of exercise的句子成份分析,特别是plenty of exercise在句中做什么 get plenty of exercise ,eat plenty of vegetables,and drink alot of wate 1.china is famous_____ its food in the world.A.for B.at C.with D.in2.you_____ to the meeting this afternoon if you have something important to do.A.needn"t come B.don"t need come C.don"t need coming D.needn"t to come