草丛里有条蛇是on the grass还是in the grass?

草丛里有条蛇是on the grass还是in the grass? sheep f____ on the grass . in the grass on the grass怎么区分? Sit on the grass.还是 Sit in the grass? in the grass 与on the grass的区别 the sign on the grass是什么意思 don't walk on the grass=? on the grass 用中文怎么说 What can you see on the grass? Don't_____（践踏）on the grass. walk on the grass的意思 Peter,__________(not walk) on the grass. in the snow还是on the snow,in the grass还是on the grass hould walk on the grass.（改为否定句) You_____ _____ walk on the grass. Don't walk on the grass 改为同义句---walk on the grass Don't walk on the grass.You ____ _____walk on the grass you shouldn't walk on the grass(改为祈使句）please ( ) ( )on the grass Please don't walk on the grass.(改为同义句)Please ______ ________ on the grass.