have been to是延续性动词吗?如果不是,那么在现在完成时里这句话里有since能用have been Not only his parents but also his grandfather _____to a lot of places of interest in our country since they came here.A.has gone B.has been

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have been to是延续性动词吗?如果不是,那么在现在完成时里这句话里有since能用have been Not only his parents but also his grandfather _____to a lot of places of interest in our country since they came here.A.has gone B.has been
have been to是延续性动词吗?如果不是,那么在现在完成时里这句话里有since能用have been
Not only his parents but also his grandfather _____to a lot of places of interest in our country since they came here.
A.has gone B.has been C.have gone D.have been

have been to是延续性动词吗?如果不是,那么在现在完成时里这句话里有since能用have been Not only his parents but also his grandfather _____to a lot of places of interest in our country since they came here.A.has gone B.has been
这题选B
have been to是一个短语,不是一个单词,没有词性一说.have been是be的现在完成时,have been to的意思是:到现在为止去过(到过)...从它的中文意思可以知道,它是可以和since连用的,表示自since后面的那个时间状语到现在的这短时间到过的地方.
另外,这里要用单数形式,这取决于grandfather,not only...but also中的谓语形式取决于与之最近的名词.