They are not heavy.They are on trees,children sometimes coll

They are not heavy.They are on trees,children sometimes coll 读句子,填单词.1.They are green.They are not heavy .They are not tr they are climbing trees they are not children who ( complete )depend on others for t They are running _____ the trees up into on of They are going to____(plant) trees on the mountain tomorrow. What are they?They are____young trees. 猜猜是什么英语单词?they are green .they are not hravy.they are on thr -Are they happy-Not they these coats are not expensive .They are on s_____ what good children they are They are children _____ twelve.