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科目： 來源：同步題 題型：單選題

The secretary________letters all the afternoon and there are still two letters to finish.
[     ]
A. is typing  
B. had type
C. has been typed  
D. has been typing

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科目： 來源：同步題 題型：單選題

__Waiter,what about my food?I________for over 30  minutes.
__Oh,sorry,sir.Just one more minute,please.
[    ]
A．have waited 
B．was waiting
C．have been waiting  
D．had waited

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科目： 來源：同步題 題型：單選題

—Did you find the missing couple in the mountain yesterday?
—No,but we _____ to get in touch with them ever since.
[     ]
A. have tried  
B. have been trying
C. had tried  
D. had been trying

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科目： 來源：山西省同步題 題型：單選題

The secretary________letters all the afternoon and there are still two letters to finish.
[     ]
A. is typing  
B. had type
C. has been typed  
D. has been typing

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科目： 來源：上海市期中題 題型：單選題

—When is Jack going to finish writing that program?
—I don't know ______ day in and day out.
[     ]
A. He has been working
B. He has worked
C. He had been working
D. He was working

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科目： 來源：山西省同步題 題型：單選題

—Waiter,  what about my food?I________for over 30  minutes.
—Oh,  sorry,  sir.Just one more minute,  please.
[     ]
A. have waited  
B. was waiting
C. have been waiting  
D. had waited

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科目： 來源：廣東省期末題 題型：單選題

—I have got a headache. 
—No wonder. You ________ in front of that computer too long.
[     ]
A. work    
B. are working    
C. worked    
D. have been working

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科目： 來源：福建省期中題 題型：單選題

By the time you arrive in London, we         in Europe for two weeks.
[     ]
A. shall stay        
B. have stayed      
C. will have stayed    
D. have been staying

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科目： 來源：安徽省期中題 題型：單選題

Police are now searching for a woman who is reported to ________ since the flood hit the area last
Friday.  
[     ]
A．have been missing  
B．have got lost  
C．be missing  
D．get lost

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科目： 來源：內(nèi)蒙古自治區(qū)期中題 題型：單選題

Mike        his wedding for a whole month and hopefully everything will be ready tomorrow.
[     ]
A. prepares        
B. is preparing    
C. had prepared      
D. has been preparing

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