My mother can do a lot of things us . A. in B. at C. for
不同的单词。(1)A. name B. grade C. have D. plane(2)A. see B. meet C. green D. eraser(3)A. bike B. fine C. behind D. different(4)A. these B. there C. three D. that(5)A. baby B. many C. goodbye D. strawberry
The number of seconds in one day _____ The number of minutes in one week
Beijing Olympic Games are the __________ moderm 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.