________ he had not hurt his leg, John wound have won the race.
He is _____as a leader but he hasn’t_____in teaching.
The mistakes made by Chinese students are quite different from ________made by the Japanese students in English study.
As _______rule, apples are sold by _____weight and eggs by ________dozen.
He knows so much about the story. He must have read the book, _______?
He knew the problem was serious and promised to look into it _____ he reached office.