Some of the books appear to be ones that you have read, but after taking second look, you will find that they are different.
A. /; a
B. the; the
C. the; /
D. the; a
网友回答
A. /; a
B. the; the
C. the; /
(答案→)D. the; a
解析：考查冠词。第一空ones后面有定语从句修饰，说明是特指你已经读过的书，故使用the表示特指；第二空在序数词前面加不定冠词a，表示再一，又一；句意：一些书是你已经读过的，但是再看一遍，你会发现他们有不同之处的。故D正确。