_________ a week does Tom go to the club ? — Once a week.

Who’s singing in the next room? Is it Lucy?—Itbe her. She has gone to New York.

This morning Jack came to school _________ than _________ student in his class.

Only ________ of the students come to school by bus.

The house price has been rising in the past two years. —Yes, I cannot __________ to buy a small apartment even with my parents’ help.