But for their common interests, they____
题型:选择题
问题:
But for their common interests, they_____ cooperated so smoothly in the investigation of the case.
A.could have
B.will not have
C.could not have
D.have not
But for their common interests, they_____ cooperated so smoothly in the investigation of the case.
A.could have
B.will not have
C.could not have
D.have not