【问题】 He was lying othe grass, his hands _____ under his head.( )·to cross· crossed· crossing·to be crossing
He was lying othe grass, his hands _____ under his head.( )·to cross· crossed· crossing·to be crossing
正确答案:单选题· crossing
题目解析:本题出自西北大学,个案工作,由丰阳塔题库搜集整理。