I don't know whether to take the medicine at once.If I ______ ,I ______ itA.knew,would take B.had known,would have taken it C.knew,would have taken D.had known,would take
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![I don't know whether to take the medicine at once.If I ______ ,I ______ itA.knew,would take B.had known,would have taken it C.knew,would have taken D.had known,would take](/uploads/image/z/12302301-21-1.jpg?t=I+don%27t+know+whether+to+take+the+medicine+at+once.If+I+______+%2CI+______+itA.knew%2Cwould+take+B.had+known%2Cwould+have+taken+it+C.knew%2Cwould+have+taken+D.had+known%2Cwould+take)
I don't know whether to take the medicine at once.If I ______ ,I ______ itA.knew,would take B.had known,would have taken it C.knew,would have taken D.had known,would take
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
I don't know whether to take the medicine at once.If I ______ ,I ______ itA.knew,would take B.had known,would have taken it C.knew,would have taken D.had known,would take
不管采不采纳,我的回答就在这里
这题选B
考点是虚拟,因为A是对现在的虚拟,主句would +动词原型,从句用过去式
b 是对过去的虚拟,主句用would +现在完成时,从句用过去完成时
CD 语法就错了,时态用的不对
这里,根据上下文,我不知道,我是否现在得吃药,要是我早知道的话,我早就吃了.
重点是,后面,表达的是,我以前要是知道的话,他就会吃
C
我不知道我是不是现在该吃药了。
如果我知道,我早就吃了。
虚拟语气,对现在的虚拟。