17.
(A) did
(B) was doing
(C) has done
(D) was going to do

答案：登入後查看
統計： A(22), B(6), C(6), D(6), E(0) #2346541

詳解 (共 1 筆)

#5392514
時態問題吧，看一下前後文時態
(共 16 字，隱藏中）
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