He went back to the hall to try his __________ at finding his lost gold watch, but never found it.
— Did Jack come back early last night?— Yes. It was not yet eight o’clock ______ he arrived home.
Not until she took off her glasses ______ she used to be my neighbor.
The new teaching building ______ by the end of last month.
Was it because Jack come late for school ______ Mr Smith got angry?
Most American children go to state schools, but the private schools ______ be very good.