高等继续教育 / 大学英语语法
正确率：100%
题型描述: 单选题
The local government ＿＿＿＿ best to boost production since our country carried out the opening policies.
A.is doing their
B.has been doing its
C.have been doing its
D.are doing their
The local government ＿＿＿＿ best to boost production since our country carried out the opening policies.
A.is doing their
B.has been doing its
C.have been doing its
D.are doing their
参考答案：
佳题速递：