1. I thank Maria for ______ me with the children.
(A) help
(B) helping
(C) have helped
(D) have been helping

答案：登入後查看
統計： A(35), B(148), C(9), D(5), E(0) #3293224

詳解 (共 1 筆)

#6453093
介係詞後的動詞要加-ing
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