. It is clear that the whole world is passing through a social revolution in which a central _____ must be taken by scientists and technologists.
I was impressed by the way______ she did it.
Maria has written two novels, both of ______ have been made into television series.
--Do you know where my blue coat is? --Don’t bother to look for it. I’m sure it will ______ some day.
--I’m sorry, but I didn’t mean ______ out your secret. --But you know, letting out one’s secret means ______ one’s feeling.
The boys were playing football on the ground. Sandy didn’t want to ______ them.