He is in danger.这句话为什么不能用dangerous,in danger和dangerous不都是一个一个意思,一个词性么

He is in danger.这句话为什么不能用dangerous,in danger和dangerous不都是一个一个意思,一个词性么 One should keep c____when he is in danger. love is in danger He is _ now.To help him is a _that I'm prepared to take.A.in risk; riskB.in danger; riskC.danger; riskD.in danger; in risk He is in beijing 这句话对吗? Our world is in danger.、 in the danger和in danger ofThis kind of animal is in (the) danger of becoming extinct这上面的the要加吗?这两个词该怎么区别?我是说区别in danger of 和 in the danger of 是animal in danger 还是animal is in danger whoever在宾语从句中可以充当主语吗.比如.He is always ready to help whoever is in danger .in danger 前可以加is吗? Bill is in the lake,and the water is only up to his ankles,but he is in danger,why? 英语翻译He who learns but does not think is lost;he who thinks but does not learn is in danger . he is very much interested in这句话对吗 He is work in school这句话有错吗? He is in Row One（提问这句话）. He is the tallest in our class.这句话对吗? The man on the bike was in __ just now,but now he is __A dangerous;safeB dangerous;safelyC danger;safeD danger;safety didn't study hard.He is _____ failing the exam.He didn't study hard.He is _____ failing the exam.A.in danger B.in danger of C.dangerous the building is on fire,he is inside ,so he is_____ .A:in greatly dangerous B in great danger C in great dangerous D of greatly dangerous