By the end of last month, our company( )successfully carried out its production plan for this year.
A.正确答案Chas
B.have
C.had
D.will have
By the end of last month, our company( )successfully carried out its production plan for this year.
By the end of last month, our company( )successfully carried out its production plan for this year.
A.正确答案Chas
B.have
C.had
D.will have