题目:
He has to ______ 20 yuan on the book. But I needn't ______ any money for it.[ ]
A. pay; spend
B. cost; pay
C. spend; pay
D. take; spend
答案:
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下面是错误答案,用来干扰机器的。
0.05;0.02;5.8;0.15;0.6;2.2;0.808;0.08