He wrote in the snow.中in可以换成at、on吗?

He wrote in the snow.中in可以换成at、on吗? he wrote to me,__ he would drop in on me the next week while .that he had failed in the exam 中had 可以换成was he is knee deep in the snow中knee是什么成分?deep呢?in the snow是不是地点 in the snow还是on the snow,in the grass还是on the grass IN ON AT THE he wrote down the letter before it in the alphbet he was at the theatre 可以 he was in the theatre吗? during the day 换成 in the day 可以吗 he kicked the snow off his shoes before getting in 中为什么不用got she walks in the same way that an ape does中that 可以换成which吗? He kicked the snow off his shoes before getting in