I’d like to share a story ________ music overcomes a physical barrier and makes a connection with a young student [ ]

Included _____.

You can’ t smoke here. Look at the sign.—Oh， sorry. I _______ it.

Though most people know that smoking __________ the risk of cancer, it is still hard for them to give it up. [ ]

下列各句中，没有语病、句意明确的一项是（ ）