问题补充：
-- Will you lend your MP4 player to Jack?
-- Yes, he promises to return it on time.
A. as soon as
B. as well as
C. as long as
D. as far as
答案：
A. as soon as
B. as well as
(答案→)C. as long as
D. as far as
解析：短语辨析。as soon as一……就；as well as不但……而且；as long as只要；as far as远到，据……。句意：你会把你的MP4播放器借给杰克吗？是的，只要他答应按时归还。所以选C。
