what happened to your shoes 究竟是陈述句还是疑问句?
1个回答

疑问句,你的鞋怎么了?

What has happened?(发生什么了?)

or did what happen?(这句是病句……)

happen,发生,happen to sth/sb表示某某事发生在XX身上,比如这句的 to your shoes,发生在你的鞋上;

提问“发生了什么?”不用助动词do或did、does之类的,直接用what提问,What happened?

提问“怎么发生的?”要用How did/does that happen?