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问几个英语问题,最好给解释下为什么选这个

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问几个英语问题,最好给解释下为什么选这个
the fire has got to the sixth floor.we don't know if all the people ___
a have been saved b have saved
c were saved d are saved
do you know what______in english?
yes,it's a writing brush.
a is called b does it call c is it called d it is called
诸位
问几个英语问题,最好给解释下为什么选这个
A , B

第一题显然需要用被动形式,故排除B,前面的句子用的是has got现在完成时,所以后面也用现在完成时,所以选A

第二题,是个疑问句,要倒装,所以先排除D,疑问句助动词要提前,所以选B