The project _______ a success as the inc
题型:选择题
问题:
The project _______ a success as the income of the company increases every year.
A.is proved
B.had proved
C.has proved
D.has been proved
The project _______ a success as the income of the company increases every year.
A.is proved
B.had proved
C.has proved
D.has been proved