Mary, Kathy和Tina正在超市买东西，买完东西后，Mary要回家；Kathy要去少年宫；Tina要去科学博物馆。现在请同学们根据下面的街道地图指出她们去各个地点的路线。

　　Mary：Go down Center Street and turn right at the second crossing onto the Fifth Avenue．Go past the History Museum and Green Land, her home is behind the theater．

　　Kathy：Go down Center Street and turn left at the second crossing．Go down the Fifth Avenue and soon you’ll see the Children’s Museum on your right．

　　Tina：Go down Center Street and walk about two blocks．The Science Museum is on the corner of the third block on your right．