40. When Anita woke up and found her baby boy gone, she assumed that he ______ to one of the places they went to yesterday.
(A) must return
(B) must to return
(C) must have returned
(D) must be returned
詳解 (共 3 筆)
未解鎖
1.對現在狀況的推論must + 原行動...
未解鎖
(A) 一定要返回，語義不合(B) as...
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