The World Health Organization warned that Asian countries __________ attentive to bird flu since Asia ___________ got rid of the disease completely.
A．should keep; hasB．must remain; has notC．ought to stay; has beenD．shall be; has not been
練習(xí)冊(cè)系列答案
相關(guān)習(xí)題

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題


Jane didn’t follow our advice that she ___     more attention to her pronunciation.
A．be paidB．must payC．payD．would pay

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

——Alice looks sad. Did you tell her about the accident?
——Yes, but I    ______ her just before her final examinations.
A．should have toldB．shouldn’t have toldC．needn’t have toldD．must have told

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題


—I knocked but nobody answered the door.
----They _____asleep then and didn’t hear you.
A．must beB．should beC．must have beenD．should have been

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題


. Mr. Green requires that the students ______ cheat in any exam.
A．shouldB．don’tC．wouldn’tD．not

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

 Thank you very much. Without your help, I _______the exams.
A．could not passB．could not have passed
C．did not pass D．could not passed

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題

________ I close the window? It's so cold here.
A．WillB．DoC．WouldD．Shall

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題


I lived with my sister this summer and didn't have to pay rent. So I ______ save most of my salary.
A．couldB．wouldC．was able to D．should

查看答案和解析>>

科目：高中英語(yǔ) 來(lái)源：不詳 題型：單選題


----- I’m sorry, but we really can’t offer you the job if you haven’t get a higher education.
----- What a pity!  I___________ hard at high school.
A．must have workedB．should have workedC．may have workedD．should work

查看答案和解析>>

同步練習(xí)冊(cè)答案