Choose the right words.选择填空

-______________ are you going？ - I am going to the Great Wall.
-_____________ are they going to school? -They go to school by school bus.
-_____________ are you going to the museum? –Tomorrow afternoon.
-_____________ are we going to buy? –We are going to buy some fruit.
-_____________ is she going with? –She is going to Beijing with her mum.