嘟 嘟嘟嘟嘟 Junior Member Thread starter Joined Oct 21, 2014 Member Type Student or Learner Native Language Chinese Home Country China Current Location China May 12, 2020 #21 It is just from a passage in a test paper, so I can't tell you the source, let alone the author.
R Rover_KE Moderator Staff member Joined Jun 20, 2010 Member Type Retired English Teacher Native Language British English Home Country England Current Location England May 12, 2020 #22 In that case, the test paper is the source — that's where you found it.