Seeing a boy lying on the ground ,I stopped the car at once

Seeing a boy lying on the ground ,I stopped the car at once 一道英语从句的选择题 _____,the car stopped all at once .A Seeing a boy I found him lying on the ground. i find a watch lying on the ground 和I find a watch is lying i saw a man sleeping on the ground i saw a women lying on th ____,so he stopped the car at once. On our way home,I found a wallet lie on the ground.为什么用lying Jack found a new book (lying) on the ground. a walet lying on the ground ,lying on the ground分词作定语.可是那个定那 Amy has just found a wallet lying on the ground.为什么用lying?Pe 14.______ a dog on the road,the car stopped. I found a boy.He is lying on the floor.合为一句I_____a boy_____o