Although medical science________ control over several dangerous diseases, what worries us is that some of them are returning.
Her lecture was hard to follow because she kept jumping from one subject to _____.
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?