— How about buying Sam a mobile phone? After all, he isn’t a boy any more. —I think it necessary, for we sometimes want to make sure if he _______ home for dinner.
— 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.