Our working day/ last/ eight hours
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6. Our working day/last/ eight hours.
7. How many/public/ vacations/year/Vietnamese students/ have?
8. How many/hours/day/he/spend/do/ homework?
9. Mai/often/help/ mother/ housework/free time.
10. After/work/farm/he/ always/ clean/ chicken coop/ and/collect/eggs.