there is some milk,two eggs and cakes中be动词为什么是单数形式?

there is some milk 还是there are some milk There is some bread and milk. There is only some milk翻译 There is some milk in the cup There is some milk in it There is some milk in the [f ].No,there isn't [a ] in it.It [w ]there a moment ago. There is some milk in the fridge.对some 提问 there is some milk为什么要用is “There is some milk in the box”以‘some milk’为划线部分提问 There is some milk in the glass对some milk划线提问 there is little milk in the fridge,is there there is little milk in the glass,is there A.yes,there is .B.no,there isn't.如果我想表达杯子里几乎没有牛奶是 A 还是B(A中 yes there is是表示yes there is little milk还是thereis some mi Is there some milk in the fridge?哪里出错? 改病句Is there some milk in the fridge? there is some milk in the bottle 变复数 急! There is some milk in the bottle.（否定句） There is some milk in the glass.(改为一般疑问句) There is some milk in the glass.改成否定句. Is there some milk in the bottle?哪里错了