几个英语题,各位帮帮忙.在线等,我明天要用

几个英语题,各位帮帮忙.在线等,我明天要用
1.I was dirty after my Jourey so people ______(clean)me up in a water treatment works.
2.When Jeff______(pass)the stick to Johnson,he _______(drop)it on the ground.
3.Remember not ________(waste)me or_______(pollute)me.
4.I____(come)from it in the first place.
5.No fish can ____(live)in the river beaucse it ____(pollute).
谢谢各位