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What did you do?
What did you do?
Went, went, went to school.
What did you do?
What did you do?
Played, played, played the flute.
do
watch
finish
wash
cook
play
help
clean
go
--- did
---watched
---washed
---finished
---cook
---played
---helped
---cleaned
---went
do
go
wash
play
help
教材分析：