It's hot _____ summer in Beijing.
| A．by | B．on | C．at | D．in |
不同的单词。
（1）A. nameB. grade C. haveD. plane
（2）A. seeB. meetC. greenD. eraser
（3）A. bike B. fineC. behind D. different
（4）A. these B. thereC. three D. that
（5）A. babyB. manyC. goodbye D. strawberry
The number of seconds in one day _____ The number of minutes in one week
| A．> | B．< | C．= | D．We don't know |
Beijing Olympic Games are the __________ moderm Olympic Games.
| A．26th | B．27th | C．29th | D．28th |
A car travels at a rate of 50 miles per hour.How long will it take to travel 300 miles?
| A．250hours | B．6hours | C．1/6hours | D．15000hours |
