Not until he got to the classroom _ he had left his books in the dormitory.
It’s hard for him playing against me. I’ve got nothing to play for, but for him, he needs to win so __________.
She devoted herself __________ to her research and it earned her a good reputation in her field.
He began to take political science __________ only when he left school.
A new __________ bus service to Tianjin Airport started to operate two months ago.
It isn’t socially __________ for parents to leave children unattended at that age.