I him the answer possble.,but I was so busy then.

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/05/16 19:32:50

I ____ him the answer ____ possble.,but I was so busy then.
A.could tell,if it had been
B.must have told,were it
C.should have told,had it been
D.should have told,should it be

C：should have done表示本应该做某事（而没做）
had it been应该是if it had been, 但是前面用的是虚拟语气,这个后面的句子应该用倒装句,所以改为had it been.也表示虚拟.
这句话翻译为：如果当时可能的话,我本应该告诉他答案的,但是我当时太忙了.
祝你进步.

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