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7.But for I ________ homework yesterday,the teacher ________ me now.(  )
A.finished; would blame
B.had finished; can have blamed
C.were to finish; should have blamed
D.had finished; must blame

分析 要不是我昨天完成了家庭作业,老师现在就会责备我了.

解答 答案:A
解析:"我完成家庭作业"发生在昨天,故使用一般过去时,因此B、C、D选项全部排除;后面"老师现在就会责备我"是虚拟,故使用虚拟语气(will的过去式为would).综上,本题答案为A选项.

点评 本题考查虚拟语气,做此类题目时首先要明白虚拟语气的定义及用法,再仔细分析句子结构并根据句意确定哪些地方使用虚拟语气.

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