Shirly ________ abook about China last year, but I don’t know whether she has finished it.


  1. A.
    has beenwriting
  2. B.
    wrote
  3. C.
    haswritten
  4. D.
    waswriting
D
寫書的動作從去年開始持續(xù),現(xiàn)在是否完成不得而知,但是這個動作去年一直在進行,應該用過去進行時。
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