LookMrFanistakingpho的精選

問題詳情：---Look!MrFanistakingphotosofhisstudents.[---It____him.Hehasgoneabroadforstudy.      Amustbe    Bmustn’tbe     Ccanbe  Dcan’tbe【回答】D知識點：情態動詞題型：選擇題...