.Every means tried____ but without much result.a.has been b.have _英语解答

.Every means tried____ but without much result.
a.has been b.have been　c.are d.is
为什么选A

人气：340 ℃　时间：2020-03-29 05:17:05

解答

根据without much result没有多少结果表明句子是完成时,是已经完成的时态,又因为主语是every means 每一种方法,其实是单数,所以用has been