一支铅笔长7____
旗杆高约8____
毛巾长约60____
唐明皇李隆基“以姚崇、宋璟为相,励精图治。至民夜不闭户,道不拾遗,遂达臻全盛。”这里的“明皇”所创造的治世是( )
As a famous dancer, she needs ____ (dance) for two hours every day.
________ is important to learn a second language.