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题目
题型:不详难度:来源:
He ______ busy yesterday, or he ______ you with your experiment.
A.was; had helpedB.was, would have helped
C.had been; would haveD.were; would have helped

答案
B
解析

试题分析:考查时态和虚拟语气;第一空的时间状语是yesterday,故使用一般过去时。因为有含蓄的条件,用or(否则,要不然),第二空是一个与过去事实相反的虚拟语气,使用“情态动词+have done”的形式;句意:昨天他很忙,要不然,他就会帮助你做实验。故B正确。
点评:条件句中的虚拟语气;如果过去事实相反,条件句中使用过去完成时,主句使用“情态动词+have done”;如果主句与现在事实相反,条件句中使用过去时,be动词使用were,主句中使用“情态动词+动词原形”;如果与将来事实相反,条件句中有三种:过去时;were to do ;should+动词原形,主句使用“情态动词+动词原形”;要特别注意如果省略了if,句子要使用部分倒装的形式,把助动词,be动词,情态动词提之主语前。
核心考点
试题【He ______ busy yesterday, or he ______ you with your experiment.A.was; had helpe】;主要考察你对一般现在时等知识点的理解。[详细]
举一反三
--- What do you think of this novel?
--- Er … sorry. I _____. What did you say?
A.didn’t listenB.hadn’t listenedC.haven’t listenedD.wasn’t listening

题型:不详难度:| 查看答案
— This is Tom speaking.
— Oh, it’s great. But I ______ your voice just now.
A.didn’t know B.didn’t recognizeC.didn’t hearD.don’t know

题型:不详难度:| 查看答案
Mr. Blake ____ Shanghai in a few days. Do you know when the earliest plane ____ on Sunday?
A.is leaving, is taking offB.leaves, takes off
C.is leaving, takes off D.leaves, is taking off

题型:不详难度:| 查看答案
I feel so excited! At this time tomorrow morning, I ________ to Shanghai.
A.will be flyingB.will fly
C.have been flyingD.have flown

题型:不详难度:| 查看答案
– Mike, did you see Mr. Chapman in the office just now?
-- Yes, he ______, and he looked a little bit nervous.
A.had been interviewedB.interviewed
C.was being interviewedD.was interviewed

题型:不详难度:| 查看答案
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