1._is really hard_them to climb mount tai A.this,to B.it,for C.this,for D.it,to需要理由

分类: 作业答案 • 2022-05-18 13:48:53

问题描述：

1._____is really hard_____them to climb mount tai A.this,to B.it,for C.this,for D.it,to
需要理由

答

1._____is really hard_____them to climb mount tai A.this,to B.it,for C.this,for D.it,to需要理由