Can I help you, boy?—Yes. There is ______ wrong with my bike.

Tom ______the girl that he ______four years ago.[ ]

These days all China is worried about the plane of MH370.—Yes. All the world wants to know________________.

下列各句中，没有语病、句意明确的一项是

He no longer lives on campus, for he _____ an apartment within the walking distance to the school