—Where are you ?
—I’m going to the airport to my friend.
A. heading on; pick up
B. going for; pick down
C. heading for; pick up
D. heading away; pick down
网友回答
A. heading on; pick up
B. going for; pick down
(答案→)C. heading for; pick up
D. heading away; pick down
解析：短语辨析。. heading on面向；pick up捡起，接人； going for去找，被认为；pick down摘下。heading for出发，去向； heading away前进。句意：你要去哪儿？——我要去机场接我的朋友，故选C。