The air in big cities _____very dirty by factories.
A．a(chǎn)re often madeB．is often made C．have often madeD．has often made
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語 來源：不詳 題型：單選題

               of the money                used up.
　　      
A．Three-five, areB．Three-fifths, have been C．Three-fifths, has beenD．Third-fifths, is

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


Nobody but you _________ able to persuade him to give up that stupid plan.
A．a(chǎn)reB．wereC．isD．can be

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


20．Not only Zhang Yimou's new movie but also some of the actors and actresses of it_________to meet the public in Shanghai next Monday.
A．isB．a(chǎn)reC．wereD．Has

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Your trousers ____dirty， you must have _____washed.
A．is； itB．a(chǎn)re； itC．a(chǎn)re； themD．is； them

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

His “Selected Poems” _____first published in 1965.
A．wereB．wasC．has beenD．a(chǎn)re

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

They each ____ a beautiful handkerchief.
A．haveB．hasC．there isD．there are

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Here ____ a pen, a few pencils and some paper for you.
A．a(chǎn)reB．isC．wasD．were

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Mary as well as her sisters ____ Chinese in China.
A．a(chǎn)re studyingB．have studiedC．studiesD．study

查看答案和解析>>

同步練習(xí)冊(cè)答案