what"s the matter？

what’s the matter? 1.-- What’s the matter? So what's the matter? 1.What's the matter? what's the matter,lcy? what's wrong?&what's the matter? what's the matter 还是 what's matter正确? What's the matter,为什么加“the”? what's the matter 为什么用the What's _____?A.matter B.the matter What's the matter ________ your bike? what's the matter?my leg_____ [ hurt]