问题补充：
—How can I learn English well?
—You will learn it well you practice speaking it often.
A. unless
B. as for
C. as soon as
D. as long as
答案：
A. unless
B. as for
C. as soon as
(答案→)D. as long as
解析：A. unless 除非B. as for至于 C. as soon as一…就 D. as long as只要；句意：我怎么能把英语学好呢？只要你经常练习讲英语，你就会学好的。as long as 意为“只要”，用来引导条件状语从句。
