翻译句子
她正在跳绳。
She   playing   her skipping rope.

用所给词的正确形式填空。
【小题1】We should stop _________ (throw) rubbish into rivers.
【小题2】In the past, the Earth _________ (be) clean and beautiful.
【小题3】My brother is __________ (plant) trees in the backyard.
【小题4】The Earth __________(get) sick now.
【小题5】We shouldn’t __________ (cut) down so many trees.

—What is she doing? —She .

A．danced

B．dances

C．is dancing

句子中有一个错误，你能找出来并改正吗：
What are you doing? I listening to music. ______

Yesterday, it was ______.（   ）

A．rainy

B．raining

C．A and B