洁博利郑少波
21. Young people are sharing more information aboutthemselves on social media sites now than they __in the past.A)was C)do B)are D)did
答案：D 表示过去时态，主语为复数故舍弃A，选D22. One of thetoughest jobs of managers and executives is _____ how to engage theiremployees.A)to figure out C)figure outB)to be figuring out D)figuredout
答案：A， is 后面不能加动词原形，D表示被动语态，不符合，B表示进行时，不符合23. _____ they are invented to be very smart, robots still can’t replacehumans.A)If only 要是..就好了，表示虚拟 C)As if 好像B)Even though 即使 D)Just as就像
答案：B 24. Thispassport photo doesn’t look like you at all, so you must have another one_____.A)taking C)takenB)to take D)took
答案：C， have sth done 的用法25. We arepleased to share the news _____ we have finished our project ahead of schedule.A)that C)thoseB)which D)these
答案：A，该句子为同位语从句，_____ we have finished our project ahead of schedule是做news的同位语，that只是链接作用，不担当句子成分26. The search will go on _____ a new and better material is found to replacethis one.A)since 自从 C)while当…时候B)until 直到 D)as 当..时候
答案：B27. These photosremind me of the days _____ I stayed in Britain, working as a visitor scholar.A)where C)whetherB)when D)how
答案：B，该句为定语从句，先行词为days表示时间28. This websitemay contain links to other websites _____ privacy practices may be differentfrom ours.A)that C)whoB)which D)whose
答案：D，定语从句，先行词为websites,后面的privacypractices与先行词构成从属关系29. The company _____ its sales by an average of 10% per year since itsestablishment in 1993.A)increases C)is increasingB)increased D)has increased
答案：A，per year为关键，表示每年，公司每年的销售以10%增长，表示陈述事实，用一般现在时30. The flight scheduled _____ at 9 a.m. was delayed four hours due to the badweather.A)to take off C)taking offB)take off D)to be taken off
答案：A,首先确定句子谓语是was delayed, 所以scheduled是非谓语成分，其完整表达是Be scheduled to do sth表示计划做某事，又因为take off 飞机起飞是不及物动词，无被动语态
品尝滋味real
30.I hope my teacher will take my recent illness into _____ when judging my examination.A) regard B) counting C) account D) observation
猪小七ice
By the end of April Peter__ here for three months.A. will have stayed B. will stayc. stays D. has stayedI'm awfully sorry, but I had no alternative. I simply__ what I did.A. ought to have done B. have to do c. had to do D. must doWe___ our breakfast when an old man came to the door.A. just have had B. have just had c. just had D. had just hadEver since the family moved to the suburbs last year, they_ better health.A. could have enjoyed B. had enjoyed c. have been enjoying D. are enjoyingHe wore dark glasses to avoid.A. having been recognized B. to be recognizedc. recognized D. being recognizedThe Viking are believed. _America.A. to have discovered B. to discover c. in discovering D. to have been discoveredHere we found hale snow, as most of it seemed__ _blown off the mountain.A. to have been B. to be c. that it was D. that it had beenPrisons in some countries are short of staff, _ means each prison officer is overworked and underpaid.A. which B. this c. what D. itHe spoke confidently, _ impressed me most.A. so that B. that c. it D. whichHe took down a square green bottle,. he poured into a dish.A. its content B. which content c. the content of which D. the content of thatI bought a new house last year, butl__ _my old house yet, so at the moment I have two houses.have not sold
替拉米酥
选B啊，选C是错的！！！试题分析：这是一组对话。上文，你应在走之前感谢她。下文，我打算这样做，但是当我要离开时去找不到她。这是动词不定式的省略形式，后面的do sth一起省略，这里必须要用mean to do而不是doing（前者是“打算做某事”，后者“意思是，意味着”，意思不对）。A的do是一个实义动词，需要加宾语sth，动词不定式的省略是到to为止的（有时表示过去要加上have），后面的do sth要一起省。点评：为了避免重复，省略句子中的一个或几个成分，这种语法现象称为省略。不定式的省略一般有三种常见形式：省略动词原形而保留符号to 、省略不定式符号to和省略整个带to不定式
