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7. The buses run every 15 minutes. The trains run every 30 minutes.
→ The buses ................................................................. (frequently)

8. Mai and Hoa both did well on the exam. Hoa got 80% of the answers correct and Mai got 90%.
→ Mai did ................................................................. (better)

9. It is harvest time. The villagers are busy cutting and gathering their crops.
→ (so)

10. Tom felt stressed. He tried to finish his homework.
→ (however)