题目内容
【题目】He ______ busy yesterday, or he ______ you with your experiment.
A. was; had helped B. was, would have helped
C. had been; would have D. were; would have helped
【答案】B
【解析】
试题分析:考查时态辨析。由题中yesterday可知,前半句时态为一般过去时;he是第三人称单数,所以be动词用was; would have done表示“本该做却没有做的事”。句意:他昨天很忙,不然就会去帮助你做实验了。故选B。
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