46.Every wrong will____________（right vt使回到正常位置）.
Key：be righted。right a wrong改正错误；平反昭雪。将来时被动语态由助动词“will/shall+ be+及物动词的过去分词”构成。例如：One will beblessed by a lucky star.吉星高照
He that makes himself a sheep shall beeaten by the wolf.甘为羔羊的人终将被狼吃掉。
Afriend without faults will never be found. 没有十全十美的朋友。
Good will be rewarded with good, andevil with evil; if the reward is not forthcoming, it is because the time hasnot yet come; when the time comes, one will get one's due reward. 善有善报，恶有恶报。不是不报，时候未到。时候一到，一切都报。
47.Not a second is to_____________（lose）; everysecond counts.
Key：be lost 。be to do sth（表示必定发生或已作安排）：You are to leave here at10 o’clock at thelatest.你最迟必须于10点离开这儿。
其被动结构是“is/am/are/was/wereto be done”。例如：A youth is to be regarded withrespect. 后生可畏
Wisdomis more to be envied than riches. 才智比财富，令人更可羡。
Somebooks are to be tasted, others to be swallowed, and some few to be chewed anddigested.一些书可以浅尝辄止；一些书可以狼吞虎咽；而有些书则需要细嚼慢咽，好好消化。
48.Set to rightwhat ____________（throw）into disorder（混乱；杂乱；紊乱）.
Key：has been thrown。现在完成时被动语态由助动词“has/have+ been+及物动词的过去分词”构成。例如：The journey has not been made in vain./It's been a worthwhilejourney. /The journey has been wellworthwhile. 不虚此行 worthwhile adj 值得(花钱或努力)的
Therice is cooked-what has been done can't be undone.生米煮成熟饭。
49.Mental worries cannot __________（cure）bymedicine.
Key：be cured。情态动词被动语态由助动词“情态动词+be+及物动词的过去分词”构成。例如：A lame tortoise can walk a thousand li-success can be gained bysteady continuous effort. 跛鳖千里
It can not be explained in words. 不可言宣
They can be counted on one'sfingers-very few.屈指可数
One doesn't know whether something canbe done. 未知可否
Both can be accomplished without cominginto conflict. 并行不悖
What's frequently heard can be repeatedin detail. 耳熟能详
Spilt water can't be gathered up-what isdone can't be undone. 覆水难收
Don’t put off till tomorrow what should be done today. 今日事，今日毕。
Butthis song should only belong to heaven, Among mortal how seldom can it beheard? 此曲只应天上有，人间能得几回闻？—杜甫
Good people and good deeds can be foundeverywhere. 好人好事，比比皆是。
The ancients say, “A scholar who has beenaway three days must be looked at with new eyes.” 古人云：“士别三日，当刮目相待。”
50.Up and down the streets, I must haverun-A thousand times or more in search of one,_____1_____I have concluded, cannot_____2_____(find)；For everywhere, no trace of her can______3_____(see),When, all of_____4_____sudden,I turned about, That’s her,_____5_____lanterns arefew and far between.
Key：1.who（定语从句） 2.be found（被动语态） 3.be seen （被动语态）4.a （习语）5.where（地点状语从句）