31. Choose the correct sentences.
1. There was no police officer outside the
station.
2. Two sacks of flour was bought by him.
3. The policemen are looking for the robber.
4. All the flour have already been used.
A) 1, 2
B) 2,3,4
C) 1,3
D) 3,4
E) 1, 2,4​