If you are walking away from a clock tower ，you will hear the ticking of the clock fade to a point ________ it cannot be heard.

preferred, prefers, is, are, was, were, will be, shall be During the holiday week, one-third of the students in our class ________ prepared to stay on campus for study while around ten percent of them ________ some more sleep at home.

______ of meaning is a process by which a word that originally had a specialized meaning has now become generalized.

The following words of the basic word stock denote the most common things and phenomena of the world around us EXCEPT ______ .

He lost ________________ parents when he was a child.