单项选择题
Junior Achievement has（） different stages in its development.
A.gone through B.got through C.got over
单项选择题 Thefollowinghintsmayhelpyoustayenergized，oratleast（）untilyoucanmakethetimeforrest.
单项选择题 （）avacationisalwaysagoodwaytogetrelaxationandrefreshment.
单项选择题 Goodmannersmaybevaried（）culturalbackgrounds.
