refer or referred?

Not remember conversations or commitments,sometimes referred refer用法the professor (who is referred to) came yesterday后面没宾 A friend referred him to Dr.Carter's office．句中refer... refer I usually choose to refer to relevant learning materials or Today,most people refer to it as dinner or supper_____people For more information or help,please refer to 英语翻译Land Art,sometimes referred to as Earth Art or Earthwork 英语翻译Land Art ,sometimes referred to as Earth Art or Earthwor 英语翻译Sir or Madam:Sunny (APJ - CN) Liu just referred you to o I would refer a friend or family member to work at ABC. You can use a noun group to refer to someone or something by