推 LeonYo :had known, 可以 11/19 19:30
---------為加速板友們提供解答，請仿照以下範例提供足夠題目資訊-----------------
The employees __________ about the closure before the announcement was made
public.
A) know
B) known
C) knew
D) have known
Explanation 3:
Choice A is the present tense form of the verb used for "now" or
"everyday". (I know your name.)
Choice B is the passive form of the verb. (He was known by the police.=
The police knew him.)
Choice D is the present perfect plural tense used for something in the
past that continues in the present. (They have known her for years.
=They still know her now.)
The correct answer is C.The simple past tense is needed
想請問一下，為什麼答案 C
如果答案 had know before it was made public. 可以嗎?
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