40. It was not until all the fish died in the river ___________ the villagers realized how serious the pollution was.
(A)did
(B)were
(C) that
(D)where

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統計： A(18), B(7), C(93), D(15), E(0) #678705

私人筆記 (共 1 筆)

私人筆記#2870375
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not until的意思為｢直到...才...
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