阿摩線上測驗
21. _____ to harsh criticism for her previous report, the journalist became much more cautious in her writing.
(A) Have been exposing
(B) Having exposed
(C) Have being exposed
(D) Having been exposed
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統計： A(4), B(3), C(7), D(21), E(0) #3710445
統計： A(4), B(3), C(7), D(21), E(0) #3710445
