31、They use computers to keep the traffic ______ smoothly. 

   A. being run      B. run          C. to run         D. running

31、D

解析:考查非謂語動詞Ving,這兒構(gòu)成(keep sth. doing。)

請?jiān)谶@里輸入關(guān)鍵詞:
相關(guān)習(xí)題

科目:高中英語 來源: 題型:

They use computers to keep the traffic _____ smoothly. 

 A. being run       B. run         C. to run        D. running

查看答案和解析>>

科目:高中英語 來源: 題型:

They use computers to keep the traffic _______ smoothly. 

A. being run       B. run         C. to run        D. running

查看答案和解析>>

科目:高中英語 來源: 題型:

They use computers to keep the traffic         smoothly.  

A. being run       B. run         C. to run        D. running 

查看答案和解析>>

科目:高中英語 來源: 題型:

They use computers to keep the traffic ______ smoothly. 

   A. being run      B. run          C. to run         D. running

查看答案和解析>>

科目:高中英語 來源:2009年普通高等學(xué)校招生全國統(tǒng)一考試全國卷Ⅱ英語試題 題型:單項(xiàng)填空

They use computers to keep the traffic _____ smoothly. 

 A. being run       B. run         C. to run        D. running

 

查看答案和解析>>

科目:高中英語 來源:2009年高考試題(全國卷2)解析版 題型:單項(xiàng)填空

 They use computers to keep the traffic         smoothly.  

A. being run       B. run         C. to run        D. running 

 

查看答案和解析>>

科目:高中英語 來源: 題型:

They use computers to keep the traffic _______ smoothly. 
 A. being run       B. run 

C. to run        D. running

查看答案和解析>>

科目:高中英語 來源:高考真題 題型:單選題

They use computers to keep the traffic _____ smoothly.

[     ]

A. being run
B. run
C. to run
D. running

查看答案和解析>>

科目:高中英語 來源: 題型:

They use computers to keep the traffic ________smoothly.

A. being run      B. run         C. to run       D. running

 

查看答案和解析>>

科目:高中英語 來源: 題型:

11. They use computers to keep the traffic _______ smoothly.

A. being run    B. run     C. to run    D. running

 

查看答案和解析>>


同步練習(xí)冊答案