After a series of researches, they finally ___ that the pollution was the leading factor contributing to the death of the creatures in the river.
A.drew a conclusion |
B.came a conclusion |
C.arrived a conclusion |
D.made the decision |
推荐套卷
After a series of researches, they finally ___ that the pollution was the leading factor contributing to the death of the creatures in the river.
A.drew a conclusion |
B.came a conclusion |
C.arrived a conclusion |
D.made the decision |