阿摩線上測驗
11. ________ his research paper, he went out for a stroll on the beach.
(A)Finished
(B) Had finished
(C) Having finished
(D) Being finished
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統計： A(15), B(53), C(87), D(8), E(0) #1537708
統計： A(15), B(53), C(87), D(8), E(0) #1537708
