Hedrovefastandarrivedanhour_____ofschedule.
B
ahead of “提前,预先 ” ,ahead of schedule “比规定时间提前 ”,正合题意。本句意 为“他开得很快, 比规定时间早到了 1 小时。”in advance “ 事先,提前”,后面不跟介词。 in front of “ 在⋯⋯前面 ”,表示位置,所以此处不合题意。
He didn‘t seem to mind_____the music while he was studying.
I can speak_____German.