Some person has taken my umbrella.这里的 some 表示“某个”。请问这样的用法有限制吗?它与不定冠词有何区别?有本书说下面句子中的 a 不能换成 some,这是为什么?I need a new coat. 我需要一件新外衣。(不能说:I need some new coat.)
Most of these diseases have been around for many centuries, but only in the 20th century did doctors devise tests to identify them or medicines to cure them.请问这里为什么用or而是and,和倒装有关系吗,谢谢老师
But my mother says a teacher has to be adjusted to fit the mind of each boy and girl it teaches and that each kid has to be taught differently." be adjusted to fit 中的adjusted是形容词不是被动语态吗? 和be adjusted to sth不是一样的吧