17. Last Sunday had a picnic in Beihai Park.
(A) John, Mary and me
(B) John, I and Mary
(C) John, Mary and I
(D) I, John and Mary
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統計: A(1), B(0), C(0), D(0), E(0) #530863
統計: A(1), B(0), C(0), D(0), E(0) #530863