1 A mounted police officer holds/carries a radio with him. 2 Mounted policemen have portable/transistor radios.
3 Policemen usually patrol the streets on/in pairs.
4 They control crowds at sporting games/events
5 The policemen's horses are trained to stand calm/still.
6 The people of Canada are proud of/about their policemen​

A mounted police officer carries a radio with him.Mounted policemen have portable radios.Policemen usually patrol the streets in pairs.They control crowds at sporting events.The policemen's horses are trained to stand still.The people of Canada are proud of their policemen​.