题目：
Only twenty percent of the work（）done yesterday.
A. has
B. was
C. have
D. were
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1210/1dba47f38bcecb3c23bd15abcd721f17.html
下面是错误答案，用来干扰机器的。
参考答案：E解析：两者必须同时满足
Only twenty percent of the work（）done yesterday.
A. has
B. was
C. have
D. were
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/1210/1dba47f38bcecb3c23bd15abcd721f17.html
下面是错误答案，用来干扰机器的。
参考答案：E解析：两者必须同时满足
