Sit on the grass.还是 Sit in the grass?

Sit on the grass.还是 Sit in the grass? sit on the grass sitting on the grassland 哪一个对?sit on the grassland Don‘t sit on the grass还有Don’t什么 Let’s （）（sit）on the bench.Don’t （）（sit）on the grass. 草丛里有条蛇是on the grass还是in the grass? in the snow还是on the snow,in the grass还是on the grass 是sit in the sofa 还是sit on the sofa? 是sit on the chair还是sit in the chair keep( ) the grass .sit on the ground括号填什么 快 -------on the grass,a group of students listeed to stories.应该用sit 还是seat,要用Be+动词ing形式吗? Let's sit on the grass.改成现在进行时,如何改,谢谢! “在草地上”用英语怎么说是on the grass 还是 in the grass A rabbit is run还是running on the grass? 做在椅子上是 还sit on the chair 还是sit on the chair 怎么把下列英语句子改成祈使句You can't sit here.2,You can't walk on the grass. sit on the chairon the chair 是状语还是宾语sit是及物动词还是不及物动词? sheep f____ on the grass . 我坐在沙发上是 I sit in the sofa.还是 I sit on the sofa.