The teacher _______some old friends on his vacation trip to Paris


  1. A.
    dropped by
  2. B.
    dropped in
  3. C.
    droped by
  4. D.
    droped in
A
本題考查短語。句中drop by為“順便來訪”之意。句意:老師在去巴黎的度假期間順便拜訪了一些老朋友。
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