Complete the sentences with these words: accusing · analysing · arrested · charge investigating · prove · questioned 1 The police are ______ a case of robbery. 2 They collected evidence and now they are ______ it. 3 This morning they ______ a suspect and ______ him for an hour. 4 However, they didn't ______ him because they can't ______ that he was the robber. 5 The newspapers are ______ the police of being slow.