He his hand and __ _ to report his answers when asked to.
As early as 1647 Ohio made a decision that free, tax supported schools must beestablished in every town _____ 50 households or more.
Although punctual himself, the professor was quite used _____ late for his lecture.
The pressure _____ causes Americans to be energetic, but it also puts them undera constant emotional strain (过度紧张).
_____ it or not, his discovery has created a stir in scientific circles.
After the Arab states won independence, great emphasis was laid on expanding education, with girls as well as boys _____ to go to school.