Our monitor picked up the paper _____(lie) on the ground

Our monitor picked up the paper _____(lie) on the ground Our monitor picked up the paper(lie)on the ground 为什么要填lying Dongdong picked up the wallet --（lie）on the ground 英语翻译He picked up the wallet______(lie)on the ground.It's____ 初三基础英语He picked up the wallet_____(lie) on the ground.He was Look ,there is some rubbish _____(lie)on the ground. ( ),she found a watch on the ground and picked it up .on her He saw some litter on the ground and _______ A.picked it up i saw a pocket on the ground ,and i picked up it My pen dropped on the ground,and he picked up it改错 he saw a penny on the ground.He picked it up and happily put lie on the ground quiet 什么意思?