弹簧机配件:How does everybody (to) spend weekend?为什么不能加to?请说明吧。谢谢

How does everybody spend weekend?,和How does everybody to spend weekend?有什么区别？, How does everybody spend weekend?,和How will everybody spend weekend?有什么区别？ How does everybody spend weekend?,和How does everybody to spend weekend?有什么区别请给我详细的说明 How does everybody (to) spend weekend?为什么不能加to?请说明吧。谢谢 how does computer works??? how does it feel? how does it feel how does lighting form? how does a clock work? how does a clock work?