They are lying on the beach .They are very r (relax)如题

问题描述:

They are lying on the beach .They are very r (relax)如题
我觉得是relax,因为有这样一道题目:They want to relax.因为是复述.可上述题目是什么 relax or relaxed

应该填relaxed relaxed通常做表语,主语是 人 .relaxing也可以做表语(主语是 事、物 ),但又可以做定语.