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A. What were you doing What did you do what you were doing What are you doing
at；doing with；doing at；to do with；to do
what you were doing what you are doing what were you doing what are you doing
had you done; finished were you doing; had just finished did you do; had just finished were you doing; was finishing
at; in doing with; in doing al; to do with; to do
had you done; finished were you doing; had just finished did you do; had just finished were you doing; was finishing
A. What were you doing What did you do what you were doing What are you doing
what were you doing what did you do what you were doing what you are doing
A. What were you doing What did you do what you were doing What are you doing
what were you doing what are you doing what you are doing what you were doing
are you doing , have just finished were you doing , had just finished had you done , just finished did you do , just finished
was watching watch am watching were watching
had you done; finished were you doing; had just finished did you do; had just finished were you doing; was finishing
what you were doing what were you doing what you are doing what are you doing
did; do was; doing were; doing are; doing
are；doing were；doing did；do can；do
are, doing were, doing do, do have, done
were ,doing, called did, do, called were, doing, was calling did, do, was calling
have you done; finished were you doing; have finished did you do; had just finished were you doing; had just finished
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