Both of ___(they,them)are good at runing.为什么不是THEY?

Both of ___(they,them)are good at runing.为什么不是THEY? 帮我看看这道题选什么19.They are both good at English,but ____ of them You may take both of them,they are both good和You may take ei what good parents both of they are. 改错：They are lazy.Both of them are not diligent. 为什么是where are they.不是them? They are both good at math.的同义句是什么? They're both good at sports.(同义句) ----- of----- ----- ----- 4、 ___ of them can be trusted,because they are not honest at 一.同义句转换 1.They are both teachers.=___ ___ them are teachers. -- They are surprised at ___ i have told them. -- Really? 首字母填空 .They like all their l ____.And they are good at them.