句型转换。(20分)
（1）They are going to take a plane to Shanghai.(写出同义句)
They are going to Shanghai________ ________．
（2）the，China，of，capital，is，Beijing(.)(连词成句)
_________________________________________________
（3）They plan to go to Sichuan．(就画线部分提问)
________ ________ they plan to go?
（4）She often goes to school on__foot．(就画线部分提问)
________ ________she often ________ to school?