It is so difficult a problem that _____ student in this class _____ work it out.
Few pleasures can equal ______ of a cool drink on a hot day.
He transplanted the little tree to the garden _____ it was the best time for it.
Mrs. Brown was much disappointed to see the washing machine she had had____ went wrong again.
--- Alice, why didn’t you come yesterday? --- I______, but I had an unexpected visitor.
--- I like you more than her, my dear. --- You mean more than _____love her or more than she loves _____?