He drove fast and arrived an hour_____of schedule.
B
aheadof“提前，预先”，aheadofschedule“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。”inadvance“事先，提前”，后面不跟介词。infrontof“在⋯⋯前面”，表示位置，所以此处不合题意。
He‘s working hard_____.
Yourbikeneeds_____.You‘dbetterdoirightnow.
He was very_____to go，but he had no choice.
The teacher gave_____the examination paper.
The driver pulled_____at the traffic lights.
