—Why does the river smell terrible?
—Because large quantities of water__________．
A．have pollutedB．is being pollutedC．has been pollutedD．have been polluted
練習(xí)冊系列答案
相關(guān)習(xí)題

科目：高中英語 來源：不詳 題型：單選題


----Where is Mr Brown? I have some questions to ask him.
----He ______the office.
A．has been to B．has been in C．has gone to D．has gone in

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


The world ______. Things never stay the same.
A．changesB．is changingC．was changingD．will change

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

The strong evidence as well as these new facts _____ prove the prisoner’s innocence the next time the case comes to trial.
A．is going toB．a(chǎn)re going toC．was going toD．were going to

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


In recent years many football clubs ______ as business to make a profit.
A．have runB．have been runC．had been runD．will run

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


—Miss wang once        art at Bardon School for ten years and now is a singer.
—No wonder I often hear her sing in the garden.
A．had taughtB．taughtC．is teachingD．has been teaching

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題


Mr. Wang _____ table tennis well, though he suffers from a waist pain and _____ it for a long time.
A．played; has not playedB．plays; had not played
C．plays; did not playD．plays; has not played

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

If you                        the medicine, you                            better now.
A．took, would feelB．had taken, felt
C．had taken, would feelD．took, would have felt

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

_____ that dress when he first saw you in the street?
A．Are you wearingB．Did you wear
C．Have you wornD．Were you wearing

查看答案和解析>>

同步練習(xí)冊答案