You（）yesterdayifyouwerereallyserious about the job.
单项选择题 You（）yesterday if you were really serious about the job.
A.ought to come
B.ought have come
C.ought come
D.ought to have come
正确答案：D
答案解析:ought to have done表示“过去该做而没做的事”。
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相关知识：第二章、语法与词汇
