问题标题：
SAT语法题扫盲,求分析TODO和DOING的区别,AmongtheaearliesttelescopesbwereGalileantelescopes,modeledafterthesimpleinstrumentscbuiltbyGalileo,thefirstpersondhavingusedtelescopestostudythestarsandplanets.eNoerro
问题描述：
SAT语法题扫盲,求分析TODO和DOING的区别,
AmongtheaearliesttelescopesbwereGalileantelescopes,modeledafterthesimpleinstrumentscbuiltbyGalileo,thefirstpersondhavingusedtelescopestostudythestarsandplanets.eNoerror
分析一下D选项为什么错
胡军山回答：
因为固定搭配thefirstpersontodosth
无关todo与doing区别
点击显示
英语推荐
热门英语推荐