问题描述：
"They have done a good job." " ."
.“They have done a good job.” “ .”
A) So they have done B) So they have
C) So have they D) So is it
.“They have done a good job.” “ .”
A) So they have done B) So they have
C) So have they D) So is it
问题解答：
我来补答展开全文阅读