the problems are ____ than you think A.diffcult B.diffculty C.more diffcult D.more difficulty

The math problems are too hard for any one of us to work out.改为同义句The math problems are ___ ___ ___ any one of us ___ ___ ___ ___.The math problems aren't ___ ___ ___ any one of us ___ ___ ___. some physics problems ___ the book are not difficult.A in B of 原因 The problems are very serious. what are the s( ) to the problems. 填空：The students are d__the problems. 同义句转换 Because they are not old enought,the students can't solve these kinds of problems all by themselvesBecause they are ___ ___ ___ ___ these kinds of probiems all by themselves. If things are left ___ they are,the problems will never be settled.(A) as (B) where并请说明原因, The problems of your past,are your business.The problems of your future,are my privilege. ①Children are the f______ of our country.(根据首字母填空）②There is somethng wrong with my bicycle.___ ___ ___ ___ my bicycle.(同义句改写）③帮助人们解决困难.help prople _____ their problems. You won't have any problems ___(find) the place. :The problems of your past were your business,the problems of your future are my privilege. 求翻译：what problems are brought about by the internet? The problems are very hard to _____resolve or be resolvedWhy? what are the three social problems facing Eastern Europe? I don't know how to deal with the problems.(同义句转换)I don't know ___ ___ ___ deal with the problems. The twins are ___(police). The children have some problems ___ to the top of the mountain.为什么是getting 语法The principles are likelyThe principles are likely to cuase some unexpected problems if ___ to too strictly.A:stuckB being stuckC stickingD to stick为什么选A不选B?