Susan would have come to help, had it been possible, but she _______ so busy then.(A) had been (B) were (C) was (D) would be
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Susan would have come to help, had it been possible, but she _______ so busy then.(A) had been (B) were (C) was (D) would be
Susan would have come to help, had it been possible, but she _______ so busy then.
(A)
had been
(B)
were
(C)
was
(D)
would be
Susan would have come to help, had it been possible, but she _______ so busy then.(A) had been (B) were (C) was (D) would be
(A)
had been
个人感觉应该用这个
C
C 句子可以还原成:If it had been possible, Susan would have come to help.这句是虚拟语气不难理解 于过去事实相反 那么所谓的过去事实就是紧接的那句:but she was so busy then(但他那时候是多么忙) 这里完全是一个过去时 不存在过去的过去
c
had been 虚拟语气的用法,与过去的事实完全相反。
had been 表过去的过去,所以用过去完成时态。
A
如果可能的话, 苏珊本来想过来帮你,但是她那时一直再忙。
选 A 表一直 ,和虚拟
C
C
BUT前面已经构成一个完整的虚拟语气句子了,所以BUT后面的句子可以完全和前面脱离,那就是一个简单的过去时句子,所以用WAS