sit in the grass对吗?是英语听力里边的,介词为什么用in呢?

sit in the grass对吗?是英语听力里边的,介词为什么用in呢? Sit on the grass.还是 Sit in the grass? 是sit in the sofa 还是sit on the sofa? 是sit on the chair还是sit in the chair Don‘t sit on the grass还有Don’t什么 英语翻译There is a grass in the picture.这句话对吗? sit on the grass sitting on the grassland 哪一个对?sit on the grassland Let’s （）（sit）on the bench.Don’t （）（sit）on the grass. in the grass on the grass怎么区分? 草丛里有条蛇是on the grass还是in the grass? in the grass 与on the grass的区别 I sit in the front of the classroom so I can hear clearly对吗? 我坐在沙发上是 I sit in the sofa.还是 I sit on the sofa. 是sit in the armchair还是sit on the armchair?理由 A;[ ]ARE JUDY AND LILY?B;LOOK.THEY'RE SITTING[ ]THE GRASS.A;JUDY!LILY![ ]SIT ON THE GRASS.THERE[ ] BENCHES HERE.[2]A;ZHANG PING DOING IN HIS ROOM没人回答吗 all he wanted was to sit in the long grass and drink some water是什么结构cancel 有什么结构,取消停止发送该怎么说呢 dandelions popping through the grass in bunches There is much grass in the field.