It is difficult for us to learn a lesson in life______we’ve actually had that lesson.
He worked seven days a week, and six of ________ until one o’clock at night.
The wrong you have done to him is terrible, for _____ you should make an apology to him, I think.
The old lady, _______ had been killed in the war, was given help by the local government.
In one night, the city was completely destroyed by a terrible earthquake, ______ about 240,000 people died.
She was not the woman ________ she was before.