1.You can take any seat -----is free.(为何添that不填which,这俩不都能代物吗?)

问题描述:

1.You can take any seat -----is free.(为何添that不填which,这俩不都能代物吗?)

Answer:
两都可表物,但先行词前有"any"修饰,只能用"that"引导定语从句