问题
选择题
It Yang Liwei about 21 hours the earth 14 times in his spaceship.
A．spent; circling
B．took; traveling
C．spent; to travel
D．took; to circle
答案
答案：D
此题重点考查重点句型结构it takes sb some time to do sth表示某人花费多少时间做某事。
