问题补充:
To tell you truth, he is not John I know before.
A. the; the
B. a; a
C. a ; the
D. /; a
答案:
(答案→)A. the; the
B. a; a
C. a ; the
D. /; a
解析:考查定冠词的特殊用法。to tell you the truth是固定表达方式,“跟你说真的;说实话”,John作为专有名词一般不与冠词连用,但本题中John后面有修饰语“我以前所认识的”,因此是特指,需要加定冠词。