下列各句中，加线的成语使用恰当的一项是（ ）
What does ―TV mean – It’s_________
Bad news?— If you ______ know, Li Na got defeated again in the first round![ ]
liams, ______ of the long speech, satthere, ________ to death
top of the mountain ______, dating from the 14thcentury.
