30. Mr. Keller ______ forty cigarettes a day until he gave it up.
My father told me that he ________ me some gifts when he returned from America the next week.
He ________ his aunt the day he arrives in Beijing.
He is a difficult person, for he ___________________ about everything.
All visitors to the village ________ with claps.
Christopher ________ charity work by raising a lot of money to promote medical research.