I saw him （ ）under a tree ,thinking.求语法讲解.

I saw him （ ）under a tree,thinking. I saw him ____under a tree,thinking. I saw him___under a tree,thinking? I saw him ____under a tree,thinking.A.sat B.seated C.seating I saw a qig_(lie) under that tree just now I often see him ___(do)some____（read）under a big tree I saw a boy ( )under the tree just now A :to stand B:standin I saw a girl dance under the tree yesterday.变为被动语态 I saw Mary.Mary was reading under a big tree.合并为一句 I was surprised to find him _ under the tree.A.sat B.seating I was surprised to find him _______(sit) under a tree. 1）We saw three children under the tree.One is a boy,____ are