Would it be ______ for you to pick me up at four o’clock and take me to the airp

答案D

试题分析：考查形容词辨析。A免费的，自由的；B有用的；C手边的；D便利的；固定句型：it is convenient for sb to do sth对某人来说做某事很方便。故D正确。
考点：考查形容词辨析
点评：本题考查了it is convenient for sb to do sth对某人来说做某事很方便。这个固定句型。