( ) ____ is this ? A. Whose B. How C. What
The number of seconds in one day _____ The number of minutes in one week
Beijing Olympic Games are the __________ modem Olympic Games.
A car travels at a rate of 50 miles per hour.How long will it take to travel 300 miles?
About ________ percent of the earth's surface is covered with water.
Paris is the capital of __________.