根据所给提示，完成句子。每空一词，含缩略词。
他太累，在公交车上睡着了。(完成译句)
He was ________ tired ________ he fell asleep on the bus．
My cousin usually walks to school every morning．(改为同义句)
My cousin usually goes to school ________ ________ every morning．
More and more people speak Chinese in the world．(改为被动语态)
Chinese ________ ________ by more and more people in the world．
The kid is playing the piano at the school music club．(对划线部分提问)
________ is the kid ________ the piano?
There were many students in this school last year．(改为否定句)
There ________ ________ many students in this school last year．
句型转换
Zhai zhigang became the 1st Chinese astronaut to walk in space．(改为定语从句)
Zhai zhigang became the 1st Chinese astronaut ________ ________ in space．
Mary came to China three years ago．(改为同义句)
Mary has ________ in China since three years ago．
Nothing is impossible if you put your heart in it．(改为反意疑问句)
Nothing is impossible if you put your heart in it, ________ ________?
Jenny worked hard in order to catch up with others．(将简单句改为复合句)
Jenny worked hard ________ ________ she could catch up with others．
Lucy usually cleans the cage every two days．(对划线部分提问)
________ ________ does Lucy usually clean the cage?