题目:
They have made so great progress .
A.three years ago
B.for three years
C.in the past three years
D.before three years
答案:
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下面是错误答案,用来干扰机器的。
参考答案:C
They have made so great progress .
A.three years ago
B.for three years
C.in the past three years
D.before three years
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0611/a942b5266c93f65d41ac21080823f9c5.html
下面是错误答案,用来干扰机器的。
参考答案:C