不管采不采納,我的回答就在這里
這題選B
考點(diǎn)是虛擬,因?yàn)锳是對(duì)現(xiàn)在的虛擬,主句would +動(dòng)詞原型,從句用過去式
b 是對(duì)過去的虛擬,主句用would +現(xiàn)在完成時(shí),從句用過去完成時(shí)
CD 語法就錯(cuò)了,時(shí)態(tài)用的不對(duì)
這里,根據(jù)上下文,我不知道,我是否現(xiàn)在得吃藥,要是我早知道的話,我早就吃了.
重點(diǎn)是,后面,表達(dá)的是,我以前要是知道的話,他就會(huì)吃
I don't know whether to take the medicine at once.If I ______ ,I ______ it
I don't know whether to take the medicine at once.If I ______ ,I ______ it
A.knew,would take
B.had known,would have taken it
C.knew,would have taken
D.had known,would take
A.knew,would take
B.had known,would have taken it
C.knew,would have taken
D.had known,would take
英語人氣：807 ℃時(shí)間：2020-04-15 20:30:59
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