Were you at home at 7:00 yesterday evening I called you but no one was there. —Sorry, we ___________ a movie at the theatre at that time.

He _____ have completed his homework; otherwise, he would have been plying football with others. [ ]

The mascot of Shanghai Expo is “Haibao”. It’s designed to_____ the Chinese character for “human”, which goes with the theme of the Expo.[ ]

Mary ______ a lot every day and her favorite ______ is playing badminton.

按字母表顺序排列的一组字母是 。