there is a rubber and three books 这句话对吗.我记得老师是怎么说的 .还是there are

Is your rubber a heart? Is your rubber a heart? 关于冠词a/an的问题小弟看了别人的回答,有些明白了,有些还不懂.例如There is ____ (a/an)f in the word fly.There is _____(a/an) ID .There is ____ (a/an)r in the word rubber.还有刚刚看到的 a excited man 为什么呢? 英语选择题： An eraser is made of ____ ? A. rubber B. cotton C. water D. oil there two pencils,a pen,a rubber and a knife in it.And there is a long ruler there is a rubber and three books 这句话对吗.我记得老师是怎么说的 .还是there are There is an A,an U and______R 选词填空.1.--ls there a board rubber on the teacher's desk? ----Yes,( ). A:it; is B:they areC:there is there is a a------ an amusement park is your rubber a heart?yes,it is.意思 when there is a game,there is an end. There is a pencil There is an egg. there is _____ typhoon. (a,an,the,/) That is a rubber 如何改成一般疑问句? A:Whose rubber is longer?B:they are_____急 There is a mansion there.There is an edifice there.可不可以翻译成那里有一栋大厦 there’s an old saying “where there is a will,there is a way.” ——————where is my rubber , mike ? ——————look , there is __ over there . is yours?A、one ;one B、it ;it C、it;oneD、one;it