1. i didn't often go to the supermarket every sunday last year
i didn't use ...........................................................................
2. her hair now is much longer than that in the past.
in the past her hair used .........................................................
3. i didn't collect dolls when i was in secondary school.
i used ..........................................................................
4. did she often go to the beach when she lived in haiphong?
did she use........................................................................?
5. there were some flowers in the field, but now there aren't any.
there used........................................................................
6. Peter doesn't live with his parents any more.
peter used........................................................................
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Sinh Học lớp 12
