1.Whose guitar is it?
It is the great musician's (music)
因为问是谁的,必须把音乐换成音乐家的才对应.
2.The Changjiang River goes through Sichuan.（对The Changjiang River提问）
which river does go through sichuan?
提问哪一个、哪一条用which,后面的句子变成一般疑问句,即用助动词does提问.
3.你最喜欢那些音乐家?
_which______ __musicians_____ do you like best?
同第二问