[請益] 這句要用單數還是複數

作者: iplfl (living for love)   2018-07-28 00:40:17
(1)
Whether and how this therapy halts disease progression remain unclear.
還是
(2)
Whether and how this therapy halts disease progression remains unclear.
謝謝
作者: anna615566 (我媽叫我去睡覺)   2018-07-28 02:21:00
2
作者: robert0608 (跳跳)   2018-07-28 10:21:00
2

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