• 2022-06-09
    You _____ dress smartly in this office. We’re very relaxed.
    A: has to
    B: don’t have to
    C: should
    D: mustn't
  • B

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    • 0

      You smoke in class. A: don't have to B: must C: have to D: mustn't

    • 1

      But you have to study hard, (). A: mustn't you B: won't you C: don't you D: oughtn't

    • 2

      You __________ help me if you don't have time. I can do the job myself. A: aren't able to B: don't have to C: mustn't

    • 3

      This office is very dirty and in a mess; it ________ cleaned. A: can’t have been B: mustn’t have been C: wouldn’t have been D: shouldn’t have been

    • 4

      You have to go to work on Sundays often, (). A: doesn't he B: don't you C: mustn't you D: haven't you