old people must ___
old people must ___
Old people must( )
Old people must __________.
Old people must be spoken to politely .
the old people ___ in our country
Old people must be taken good care of by us
Old people must be spoken to ______.(礼貌)
你必须先赢得民心 you must ___ ___ ___ ___ people first.
The river smells terrible.People must ___ dirty things into
( ) 1 The river smells terrible.People must ___ dirty things
___ people can live up to 100 years old,but ___ people can l
Everyone here ,inclucding children and old people ,___(go)in