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
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_____, 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：B