Only after he had spent several nights working on the math problem _______ to wonder whether the problem was wrongly set.
These trousers are dirty and wet — I’ll change into my _____.
Some of the students were late for the meeting, but I can’t remember _____.
“Who told you?” “Oh, somebodyorother, I’ve forgotten _____.”
I read about it in some bookorother, does it matter _____ it was?
“Would you like a cup of coffeeora glass of beer?” “____ will do, but milk is _____ popular with me.”