Question

— ________ have you learned to play the piano?
— ________ five years ago.

A．How long, For	B．How often, For
C．How long, Since	D．How soon, Since

Answer 1

C

試題分析：句意：你學習彈鋼琴多長時間了？自從五年前就開始學了。How long指的是“多長時間”；how often指“多長時間一次”；how soon指“多久之后”。答語中有ago，因此不能使用for，因此本題選C。