40 While we were waiting for the train, we saw two tourists who seemed lost, so we ________ to help.
(A) offered
(B) cautioned
(C) hesitated
(D) introduced
詳解 (共 3 筆)
未解鎖
offer：提供offer to = a...
未解鎖
While we were waitin...
私人筆記 (共 1 筆)
未解鎖
正確答案：(A) offered /ˈɑ...
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