阿摩線上測驗
37. Over the years, Jane _____ as a volunteer at a local hospital.
(A) works
(B) is working
(C) has worked
(D) had worked
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統計： A(90), B(75), C(428), D(113), E(0) #3930935
統計： A(90), B(75), C(428), D(113), E(0) #3930935
