---I didn’t expect that John would be absent from my last Sunday’s birthday party.--- As far as I know, he ______ to see his parents in the countryside on Sundays.
29. My father, who values honesty__________all things, never allows us to tell lies.
28. It is only when agriculture is fully developed___________industry can have abundant materials and markets.
27. Though____________of the danger of walking alone in the street at night, he wouldn’t have anyone accompany him.
26. The professor was asked to write an article for the newspaper, ___________about the left-behind children in the countryside.
25. The watch, which I_________only last week, is out of order again.