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。
Ifhe_____thestorekeeper‘sscissors,hewouldhaveforgottentobuyapair.
Bothofmybrothersarenowmarried,soIhavetwo_____.