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几题英语选择题答案和理由

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几题英语选择题答案和理由
1. As I spoke I observed a large dog lying on the sunny grass beneath ____its ears as if about bark.
A raise Braised Cto raise Draising
2.It is really quite extraordinary that we ___at the same college without having met before.
A must have been B might have been C should have been D could have been
3.our whole physical universe ,when ___to the simplest terms,is made up od two things,energy and matter.
A being reduced B reducing C reduced Dto be reduced
4.lectures are often televised,enabling students to hear and see the lecturer without all ___into a single lecture hall.
A having crowded B being crowded C crowded Dto crowd
几题英语选择题答案和理由
1,A.这里raise做a large dog的谓语动词;
2,D.是能够在同一学院的意思;
3,C.过去分词短语作状语,有表示被动的意思;
4,D.不定式短语作状语,选A有完成进行的意思,B和C有被动的成分,与题目的意思不符合.