You will succeed in the end __________ you give up halfway.
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.
Greatly moved by what she did,_________.
—How wise of you to come round, but why? —________that all is right.