_____, the subject was always in my mind.
Some pre-school children go to a day care center, __________ they learn simple games and songs.
Hardly had the employees ________ with their work when the rain stopped.
I don’t know the girl _____ in the storm.
— I regret _______ you that you failed the exam. — How I regret _______ so much time playing computer games.
It’s hard to finish the work in a day. You’d better ____ your friends to help you.