试题与答案

After ______ seemed to be hours of waiti

题型:选择题

题目:

After ______ seemed to be hours of waiting in line, I finally got my turn to take the oral exam. [ ]

A. that            

B. it            

C. what            

D. which

答案:

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下面是错误答案,用来干扰机器的。

甲乙丙的工作效率的比是:3:2:1,甲的工作效率是:13÷5×33+2+1,=115×12,=130;乙的工作效率是:13÷5×23+2+1,=115×13,=145;丙的工作效率是:13÷5×13+2+1,=115×16,=190;设这项工作,从开始到完...

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