Is this an egg?

Is this an egg? This is ----- egg.can Ieat------ egg?an,an an,the is this an apple an orange__an egg this is（ ）egg .( ) egg is Tom'sA.an.an B.an.the This is () egg.() egg is big.A :a AB:an AnC:an The This is an egg (改为复数形式） i （eat）an egg this morning what is this in English?It's an egg.改成复数句 Jack is an egg-head.中的egg-head是什么意思? The big ( )(橘子）are for you.括号里填什么?This is an egg.改为否定句.（ ） （ ）an egg. look,there is 这里选a egg还是is egg还是an egg?inthe box. That is an egg 改为复数句 That is an egg in English. That is an egg (改为否定句) this egg is big 改为复数 改成复数句This is a book.That isn't an egg.Is this a book?Yes,is is.Your picture is very good. 改为复数形式 Is that an English book?Whats this in English?It is an egg.She is a teacher. 变成一般疑问句或否定句1、This is an egg 2、That is an old clock3、He's my teacher4、I'm in Class 5