题目内容
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[主观题]
There have been innumerable cases 4. , ,
提问人：网友qingduo04
发布时间：2022-01-07
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A．should have been
B．must have been
C．may have been
D．could have been
题目内容
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第2题
【C17】A．must have beenB．may have beenC．could have beenD．should have been
【C17】
A．must have been
B．may have been
C．could have been
D．should have been
第4题
【C15】A．will beB．should have beenC．might have beenD．would be
【C15】
A．will be
B．should have been
C．might have been
D．would be
第6题
This is one of the books ______ on this subject. A．that have ever been written B．which have
A.A.that have ever been written
B.B.which have ever been written
C.C.that has ever been written
D.D.whatever have been written
第7题
【C16】A．must have been providedB．might have providedC．must have providedD．might have been p
【C16】
A．must have been provided
B．might have provided
C．must have provided
D．might have been provided
第8题
The goods shipped already if your L/C had arrived in time. A. would be B. must have been C. had been D. would have been
A、woud be
B、must have been
C、had been
D、would have been
第10题
A．Gases have been heated to a temperature of multimillion-degree.B．Gases have been dra
A．Gases have been heated to a temperature of multimillion-degree.
B．Gases have been drawn to the black hole at a very high speed.
C．Gases have been tearing apart by the black hole.
D．Gases have been sucked by the black hole.
