.What caused the accident and who was responsible for it____a mystery to us.A.remains B.remain C.is D.look like应选什么?为什莫?
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.What caused the accident and who was responsible for it____a mystery to us.A.remains B.remain C.is D.look like应选什么?为什莫?
.What caused the accident and who was responsible for it____a mystery to us.
A.remains B.remain C.is D.look like应选什么?为什莫?
.What caused the accident and who was responsible for it____a mystery to us.A.remains B.remain C.is D.look like应选什么?为什莫?
B 缺少谓语,主语是复数
A
作系动词用
表示“一直保持”、“仍然（处于某种状态）”、“继续存在”、“依然”。
1．后面接名词作表语。例如：
①Language was，is and will remain the chief means of exchange of ideas．语言，过去、现在和将来依然是交流思想的主要工具。
②In spite of their quar...
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A
作系动词用
表示“一直保持”、“仍然（处于某种状态）”、“继续存在”、“依然”。
1．后面接名词作表语。例如：
①Language was，is and will remain the chief means of exchange of ideas．语言，过去、现在和将来依然是交流思想的主要工具。
②In spite of their quarrel，they remained the best friends．他们尽管吵过架，却仍不失为最好的朋友。
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C 这对我们来说是个谜... remains 保留下...look like 看起来 读来不 好