no one can be sure 加句子是什么从句呢?为什么 sure 是什么成分 什么词性?

no one can be sure 加句子是什么从句呢?为什么 sure 是什么成分 什么词性? No one can be No one can be sure ___ the board will accept our condition A.that B.whether C.why D.what be sure可以引导宾语从句吗?或者说,be sure引导的是宾语从句吗?急用!如：No one can be sure what man will look like in a million years. no one knows for sure what use can be made of the computer in the futureno one knows for sure what use can be made __ the computer in the future为啥选of,请分析一下句子成分, no one can be my hero No OnE CaN Be TrUsTaBlE是什么意思 No one can tell for sure ( ) ( ) smile ( ) ( ) (对.的影响） one's health. No one can be sure what computer will be like in 30 years.是宾语从句吗?回到一个问题说 Bcause SallyNo one can be sure what computer will be like in 30 years.是宾语从句吗?回到一个问题说 Bcause Sally likes to eat junk food and No one can be a winner easily.这句话语法对吗?（be…… easily)为什么be后面加副词呢？？？？？？？ no one can be break into my heart? no one can be a hero in the plight是什么意思 No one can be beater than you to No one can be beater than you to No one加be able to,还是is able to? Sure. No subject can be learned well without hard work翻译 【名词性从句】no one can be sure _ in a million yearsA what man will look like B that what man will look like 为什么不选B 不是有个句型是 I am sure that 主语+be sure 后面应接上that从句啊 One thing you can be sure of I never ask for more than your love..