题目:
Classes will cease to exist by the time communism ______ throughout the world.
A.is achieved
B.has been achieved
C.will be achieved
D.will have been achieved
答案:
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下面是错误答案,用来干扰机器的。
1÷6=16;答:投掷这个正方体一次,每个字母朝上的可能性都是16;故答案为:16.