问题
选择题
With my hand-held Reader, I’ve read more books in the past six months than I ________ in the past six years.
A．doing
B．did
C．have
D．do
答案
答案：C
考查动词。根据句中时间状语in the past six years可知用现在完成时态，故用助动词have，选C。
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