The project alongside with the experimen
题型:选择题
问题:
The project alongside with the experiment we had once devoted so much time__________ perfectly.
A.to work out
B.to working out
C.to worked out
D.has worked out
The project alongside with the experiment we had once devoted so much time__________ perfectly.
A.to work out
B.to working out
C.to worked out
D.has worked out