How the old man robbed the bank______unknown. 要填 remain / remains/ is remained / is remaining 哪個？

👨🏻‍🏫 學術台語言

皇霖

2016-06-28 4:12 pm

回答 (1)

Kookie

2016-06-28 4:56 pm

(How the old man robbed the bank) remains unknown.
= It remains unknown.

所以你可以理解 how the old man robbed the bank 是一個名詞子句，當主詞。

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