Though the “No smoking” signs have existed for long in public places, heavy smokers often ________ them and light up cigarettes.
All the villagers set out to the forest __________ the lost boy.
It was about 600 years ago __________ the first clock was made.
The old lady, as well as her two daughters __________ shopping every weekend.
Philips openly admitted __________ an alcohol (酒精) problem and he was not admitted __________ the drivers’ club.
__________ time went by, we grew older.