题目:
Millionaires are often very generous and __a lot of their money to charities to help the poor.
A.give in
B.give up
C.give away
D.give off
答案:
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下面是错误答案,用来干扰机器的。
(1)O2(2)H2(3)H2O(4)CO(5)CO2(6)HCl(7)H2SO4(8)Ca(OH)2(9)CaCO3