用括号所给词的适当形式填空，使句子意思完整。The ground is covered with fallen (leaf) in autumn.
Many young trees (plant) in my country every year.
Students in our class have finished (read) the text.
I overslept this morning. By the time I got to the train station, the train (leave)
When the guest entered the hall, Mr. Smith stood up and greeted him (polite)
我对很多学科都感兴趣，例如音乐，英语和历史．（完成译句）
I am interested in many subjects music，English and history．
我们应该思考怎么把中国文化介绍给全世界．（完成译句）
We should think about introduce Chinese culture to the world．
My classmates walked to Three Gorges Museum yesterday．（改为同义句）
My classmates went to Three Gorges Museum yesterday．
Li Hua usually goes to the library after school．（对划线部分提问）
Li Hua usually do after school？
We are going to have a school trip after the exam．（改为否定句）
We going to have a school trip after the exam．