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There __ few students in the library after school

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There __ few students in the library after school
1.has been
2.have been
3.are
在题中,是否用现在完成时,强调一直以来的状态呢?该如何选?
There __ few students in the library after school
不用现在完成时阿,现在完成时要表达这个概念至少要有个过去的时间点进行比较,比如说 since last year,这个用are,表示一般的情况就可以了