1) If you keep … drinking like that, you will be drunk soon. a) on b) up c) back d) out 2) The police were trying to keep the crowd … of the building. a) on b) up c) back d) out 3) Fans were trying to approach the singer, but the guards managed to keep them … . a) on b) up c) back d) off 4) The Canadian runner is too fast. Nobody could keep … with him. a) on b) up c) back d) out 5) The sign in the park said: “Keep … the grass.” a) on b) off c) back d) out 6) He kept the news … as he didn’t want to disappoint his parents. a) on b) down c) back d) out 7) I prefer to keep … of arguments. a) down b) off c) back d) out 8) If I were you, I'd keep … from that neighbourhood. a) away b) off c) back d) out 9) The company tries to keep … with modern technologies. a) on b) up c) to d) in

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