• 2022-06-06
    Which of the following are the meanings of 'maintain'?
    A: to make something continue in the same way or at the same standard as before
    B: to become an accepted member of a group and its activities, or help somebody do this
    C: to keep a machine, building etc in good condition by checking and repairing it regularly
    D: to make a level or rate of activity, movement etc stay the same