句子解释1,It is tiring to climb the mountain.2,It is kind of you to see us 3,It is exciting to play tennis.4,It is difficult to write poems.

分类: 作业答案 • 2022-01-02 15:30:35

问题描述：

句子解释1,It is tiring to climb the mountain.2,It is kind of you to see us
3,It is exciting to play tennis.4,It is difficult to write poems.

答