问题
选择题
________, I could not memorize the text.
A．However hard did I try
B．However hard I tried
C．However I tried hard
D．However I had tried hard
答案
答案：B
考查however引导让步状语从句，结构是：however+adj/adv+主谓，句意是：无论我怎么努力，都记不住课文。选B。