I tried to conceal my surprise when she said she was only 22

求解释一道SAT语法题：
Many alcoholics attempt to conceal their problem from their fellow workers,( but invariablyfailing to keep their secret.)
A.but invariablyfailing to keep their secret.
B.but they invariably fail to keep their secret.
D.who invariably fail to keep their secret.

英语翻译
Honey drips from her tongue,to conceal the bite of piss that she showers upon us.
好像略粗俗

这句英语改怎么说
He concealed a knife in his pocket 还是He conceal a knife in his pocket
他在口袋里藏了一把刀

What calls joyfully Be to conceal self sadness ,Smiles to each person.

英语单词用汉语发音译过来 急
honest beast almost conceal branches foegot promise below posinf dead holds breath smells deach without harming whisper such selfish indeed 今晚上就要用,知道几个说几个a ,差不多的就行 拜托啦
可以的话 顺便帮我翻译个句子. “ 各位老师上午好,今天我的故事题目是‘患难见真情’” 还有 上面的是一个个单词 不是一个句子

两道SAT语法题和一道词汇题!
1.Although the writer had intended to conceal the criminal's identity until the final chapter,he planted obvious clues to the identity earlier in the book,(and he thus had underestimated the reader's intelligence).答案是thus underestimating the reader's intelligence,请问原文错在哪里?and thus不是有这种表达吗?
2.Spotted knapweed,(rapidly infests rangeland throughout the western United States,is an invasive thistleplike plant native to Siberia and central Europe.)答案是an invasive thistle-like plant native to Siberia and central Europe,is rapidly infesting rangeland throughout the western United States.原文错在哪里?而且我觉得这个答案反而改了句子所要陈述的重点.
3.While the manager clearly sought to ____ the optimisn of the marketing team,she stopped short of pronouncing their plan unfeasible.答案是填temper,为什么不能填rekindle?

But sometimes the smoke and dust of the fray will conceal a matter of principle,even philosophy.
用
make people lose sight of the most fundamental considerations改写

she has taken great pains to conceal her emotions,
(接上)and thereby made them all the more conspicuous.希望帮我分析一下这句是什么句型.

do you think it necessary to conceal yourself when you want to make a good first on an important pe

If a gire conceal he affection with the same skill from object of it,he may

hide,conceal,bury的区别
如题,尽量多给出例句