Always greet someone when they ___your house.(为什么用come over

Always greet someone when they ___your house.(为什么用come over They leave these snow house when the storm is over when they come back to their house they may be happy to have they came running over翻译,为什么come 后是running The Russian( )to greet each other when they meet. come over my house and see 用come或come over填空：Please ( ) to my house at weekends. __they come to small house,是用when 还是 while They don't know when Mr li_____ 这里为什么用will come You must come over to his house when you are free.我要问的是这句话中为 what part of a watch do we use when we greet someone what part of a watch do we use when we greet someone ?