1、did buy
2、has lent
3、have burnt
4、fought
5、have won
1、was leaving arrived
2、was working was sitting
3、was walking met
4、was reading heard
5、dropped
希望没出差错
1、What did you buy yesterday?
2、Up till now he has never lent me anything.
3、Have you burnt those old papers yet?
4、He fought in flanders in the First World War
5、括号前是just吗？ 应该填过去式have won
1、As my father was leaving the house the postman arrived.
2、Tom was working in the garden while I was sitting in the sun.
3、As I was walking down the street I met Charlie.
4、While he was reading the letter he heard a knock at the door.
5、She dropped the tray when I sponk to her.
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