问题补充：
Would it be for you to pick me up at four oclock 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：
试题分析:考查形容词辨析。A免费的，自由的；B空缺的；C手边的；D方便的。固定句型：it is convenient for sb to do sth“对某人来说做某事很方便”，故正确答案选D。句意：你四点钟来接我，然后把我送到机场去方便吗？
