1) You_____finish this by today. a) Must b) Can c) Mustn't d) Could 2) Moral advice against: a) Should b) Must c) Ought not to d) Have to 3) All students of this institution _____ abide by the rules and instructions provided. a) Can b) Could c) Need to d) Ought to 4) Prohibition(not allowed a) Might b) Mustn't c) Ought not to d) Don't need to 5) You____drive tired a) Should b) Mustn't c) shouldn't d) Ought not to 6) External necessity a) Have to b) Could c) Need to d) Should

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