Only teachers are permitted to enter the reading room, that is to say, the reading room is only________ to teachers.
Three free tickets for the Expo will be given to ________ comes first in the competition.
With the land prices ________, I can’t afford a piece of land big enough to park my car on.
________ is stronger than steel and lighter than a feather is the silk ________ spiders make their webs.
________ you to be the first to solve the structure of DNA?
The general joy of driving cars in video games is the careless feeling; you can bravely overtake other cars without ________.