Cable TV began in 1948 in the USA, but it took 50 years ________ 66 percent of American households had it.
Mary couldn’t________ the terrible working conditions in that factory and resigned last week.
Some passers-by witnessed the car accident ______ five passengers were killed, a baby included.
— Why do you do volunteer work in the North—West? — I_____ to improve the lives of the children there through my efforts.
I send you my revised catalogue and price list, ______ you may find something that suits you.
Under the new schedule, teachers of primary and secondary schools must _____each class on time instead of adding extra lessons.