题目内容

---Excuse me, is this the right way to No. 1 Middle School?

---Sorry, I'm not sure. But it ______ be.


  1. A.
    can
  2. B.
    need
  3. C.
    must
  4. D.
    may
D
may意为“可能”;must表推测,意为“一定”;通过对比,D更恰当。
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