The United States is a country_ (advance) in science and technology
advanced
暂无解析
The theory of black holes in space__ (accept) by many serious scientists and astronomers.
No sooner ()had I reached home than Michael arrived with Jane in his car
Apersonisluckyifhiscareer________withhisinterestandhobby
the bosses cannot do without profit, workers have an edge.
TheUnitedStatesisacountry_(advance)inscienceandtechnology