—Where are the girls?—They __ &nbs

—Where are the girls?—They __ the zoo.A.have been toB.have gone toC.have been inD.have gone in

B解析此题重点考查have been to，have gone to和have been in的区别。have gone to表示“去了……”，have been to表示曾经去过某地，have been in表示呆在某处。根据语境的含义可知他们去了动物园，故选B。

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