Excuse me, can I smoke here –No, ______.

terrible accident is underinvestigation— Actually, quicker action _____ thoseworkers trapped in the mine

It’s very nice today. Let him _______basketball after school.

Throughout history, the language________ by a powerfulgroup spreads across a civilization[ ]

下列各句中“之”字意义与用法不同于其他三项的是（ ）