根据句子意思，在下列选用恰当的单词或短语填空。（多余一个选项）

videos     double     millions of     on the beaches       million       invite        learn about     palaces          all over

【小题1】Jack, your books are ________ the place. Put them away, please.
【小题2】Who would you ________ to your birthday party, Kitty?
【小题3】The students want to ________ different homes around the world.
【小题4】Thank you for your ________ to tell me more about your home.
【小题5】Qingdao is a good place for summer. People can play with the sand ________.
【小题6】Because of the war, ________ people become homeless.
【小题7】This room is too small. We’d like a ________ one.
【小题8】He will visit many ________ in Beijing this summer.