81. This gentleman is very interested in singing. He often goes to the Karaoke hall with his friends and sometimes comes home very late, _____, very early in the morning.
.The train _____ at the present speed until it reaches the foot of the mountain at about nine o’clock tonight.
.The plane _____ at 7:00 p.m., so I have to be at the airport by 6:40 at the latest.
—— Did he notice you enter the room?—— I don’ t think so.He_____to the radio with his eyes shut.
—— Tom, did Mr.Li join you in your dicussion?—— No, he____, but he happened to have fallen ill.
—— What do you think of this kind of TV set,which ______ in Shanghai?—— Well, I don’ t care such things.