The coal is sold____the ton and buyers can’t pay using credit card, so we have to pay___cash.
Young drivers are____ to have accidents than old drivers.
Though it was noisy here, he _______reading.
Yesterday I _______ an old friend of mine at the shopping mall.
It was in the small house _______ was built with stones by his father _______ he spent his childhood.
--- How often do you eat out?--- _______, but usually once a week.