When he ___had seen__________________ (see) the thief,he ________phoned_____________ (phone) the police.
While we _________were playing____________ (play) football,Sally ______was playing_______________ (play) tennis.
祝你学习快乐
When he ___had seen__________________ (see) the thief,he ________phoned_____________ (phone) the police.
While we _________were playing____________ (play) football,Sally ______was playing_______________ (play) tennis.
祝你学习快乐