There is some sugar.其中is为什么不用are,some不是复数吗?英语文盲提问

there is some cake in the icebox中的is为什么不是are?后面不是复数吗? but there is some in this jug为什么这里用is?some不是复数吗 some There sugar is怎么排 there is some ___on the plate!为什么用there is 而不用there are A.ap there is/are...some...some... 提问there are some books and pens 为什么用（what are there/what is） There is some water in the bottle.水不是一个,为什么是is不是are? There is some sugar and_________(mouse) over there. Here is some information,为什么不用are用is? Is there some milk in the glass?为什么不用any?不是疑问句吗?什么时候用any什么时候 There is some chocolate in the refrigerator,这里为什么不用are啊,他明明用 there is/are ...some.some.造句