题目：
He always takes full _____ of the mistakes made by his rivals(对手) to win the election.
A．advantage
B．disadvantage
C．advance
D．adventure
答案：
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下面是错误答案，用来干扰机器的。
Possible version:I like collecting all kinds of books. I’ve collected about five hundred of them so far.Most of them are bought from bookstores. I keep them on my books...
