英语代词的问题Someanimalshaveshellsthatkeepfromgrowinbeyondacertainsize.为什么横线处是用them而不用themselves呃?ProfessorWatsoncomesfromeitherHarvardorStanford.Ican'tremember.AwhichBthatCwhere

Question

英语代词的问题
Some animals have shells that keep _____ from growin beyond a certain size.
为什么横线处是用them而不用themselves呃?
Professor Watson comes from either Harvard or Stanford.I can't remember _______.
A which B that C where
为什么不能选B呢?纳闷了,“那个记不得了”不行吗?
Some of the answers to the exercises were incorrect,but I don't remember ______.
为什么是what one而不是what ones?
This coffee isn't hot enough.Would you like me to get you ________ that is hotter?
为什么用some不用one?
代词正够搞的……

Answer 1

第一题：
是保护他们本身不受伤害,而不是保护“他们的（壳）”不受伤害.所以不能用themselves
第二题：
“我不记得是其中的哪一个了.”联系上下文来说,A和B中,选A合理一些.不过,如果只从语法分析,B确实没有错.语言习惯和句式搭配来看,是要选A的,不要太较真
第三题：
这个句子我也第一次碰到.只是觉得what one对,可理由说不上,希望有高人指点.
第四题：
coffee是不可数名词,所以不能用ONE等数词来代替,而some coffee这种用法是对的.