A glass is made of glass应该是眼镜由玻璃做的吧?为什么前面不用a glaases

Glass is made of glass 这个句子对吗?Glass is made of glass .和 A glass is made of glass.哪句是正确的?谢谢!很急 glass,made,glasses,is,of Teacher of _____ is made of _____.A.Glass; glassB.A glass; glassC.Glasses; glasses D. 3._____ is made of _____. A. Glass; glass B. A glass; glass C. Glasses; glasses D. A glass; glasses详细讲解很久没上网了，不好意思。 He is a ( )fan of shells用collect哪个形式?还有一题 A g is a ball which made of glass it is made of glass 是什么意思 We all know --------glass is made of ---------glass.A a,/ B.the ,a C./,a D a,the A glass is made of glass应该是眼镜由玻璃做的吧?为什么前面不用a glaases This table is made of _______ .A.many glass.This table is made of _______ .A.many glass.B.glass.C.some glasses.D.glass.some不是可以修饰可数和不可数的么？ This table is made of _.A.some glasses B.glass为什么? this table is of glass 为什么可以省略 made 为什么不用 thisthis table is of glass 为什么可以省略 made 为什么不用 this table is made of glass The house is made of glass.这里的glass为什么不加es? The window is made of glass.划线提问,划的是glass 6.The window is made of glass.（根据划线部分提问）glass.划线 ()is made of() 说明下理由感激glass glassA glass,glassGlasses,glassesA glass,glasses到底选什么呢 this table is made of _____ a.many glass b.glasses c.some glasses d.glass 说一下为什么 原因的 There is a glass of for you. Where are they made?it is made of glass.They are made in Germany.They are used for k...Where are they made?it is made of glass.They are made in Germany.They are used for keeping warm.翻译?