So involved with computers ____ that the leaders at the summer computer camps often had to force them to break for sports.

No one answered when I phoned this morningWhere were you?— I for teeth in the dental clinic

Only when he returned ________ that the war had ended and the army had come back.

How’s Joy’s skirt—-Her skirt is more beautiful than__________.

The teacher encourages her students ____ English as much as possible.