问题补充:
Wouldn’t it befor you to pick me up at four o’clock and take me to the airport.
A. free
B. vacant
C. handy
D. convenient
答案:
A. free
B. vacant
C. handy
(答案→)D. convenient
解析:free自由的,空闲的;vacant空缺的,空白的;handy便于使用的, 便利的, 可携带的, 轻便的;convenient方便的,D项符合题意。