Smoking is not allowed in the workplace because the air must be ____________.   

Smoking is not allowed in the workplace because the air must be ____________.   

题型:期末题难度:来源:
Smoking is not allowed in the workplace because the air must be ____________.        [     ]
A. keep clean      
B. kept cleaning        
C. kept clean    
D. kept to clean
答案
C
举一反三
根据汉语提示,完成句子。1.They have ________(讨论)the important questions already.
2.He though his father was a ________(伟大的)man.
3.Many people lost their ________(生命)in the war.
4.What ________(使)you happy, Danny?
5.If you"re ________(努力工作), you"ll succeed.
题型:同步题难度:| 查看答案
Jim was _________ by the big fire.[     ]
A. scare
B. scaring
C. scared
D. to scare
题型:同步题难度:| 查看答案
—How long has your brother _____ in the army ?
—About five years.[     ]
A. taken part
B. joined    
C. served    
D. attended
题型:模拟题难度:| 查看答案
动词填空。1. Listen! The radio says a traffic accident _____ (happen) last night.
2. My friend said he _____ (not reply)to my last three e-mails yet.
3. Don’t you know _____ (laugh) at the disabled is impolite?
4. All the work _____ (do).Let’s go and have a cup of coffee.
5. The Smiths _____ (plan) where to spend the holiday when I arrived.
6. Call me at any time.I will do what I can _____ (help) you.
7. Will you forgive her if she really _____ (call) to say sorry?
8. There _____ (be) many changes in my home town in the last few years.
9. All the people who were at the party that day _____ (ask) to provide the
fingerprints yesterday.
10. Someone told me that he devoted himself to _____(study) Chinese history.
题型:江苏期中题难度:| 查看答案
用括号内所给动词的适当形式填空1. Generally speaking, glass ______ ( feel ) very cold in winter.
2. How long ______  the meeting ______ ( last) when you got to the meeting room?
3. The life in the countryside we were used to ________(change ) greatly since five years ago.
4. Tom said he _________(return) the two books to the library in a week.
5. —Who __________(speak)at tomorrow’s meeting? 
    —I think Mr Li is.
6. All the people who were at the crime scene that night are made ______ ( leave) their fingerprints.
7. Eighty students have entered the writing competition since it ______.( hold )
8. The police ______ ( search ) the scene for other clues these days .
题型:江苏模拟题难度:| 查看答案
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