Lingling has gone to England for a ______English course.

下列各句中，加点的成语使用正确的一项是

the clues they provided, ______ is of any helpfor solving the case of robbery.

There is something wrong with your bike, ___ -Yes. I’ll have it _ tomorrow.

does the sign over there read—No person ________smoke or carry a lightedcigarette ,cigar or pipe in this area