— Have you watched the nine o'clock news?
— No. I ______ my homework at home all the morning.
[     ]
A. had done
B. have done
C. did
D. have been doing
I have to see the doctor because I            a lot these days.
[     ]
A. coughed    
B. am coughing      
C. have been coughing
D. cough
— What's the price of petrol these days ?   
—  It _______ frequently since last year .  
[     ]
A. is arisen    
B.  increased    
C. has been rising  
D. has raised    

— I'm sure Andrew will achieve high grades in the final.
— I think so. He _____ hard for it in the past two weeks.

[     ]
A. is working
B. was working
C. had been working
D. has been working
We _____ on this project for four hours. Let's have a rest.
[     ]
A. are working
B. have been working
C. worked
D. had worked
We _____ on this project for four hours. Let's have a rest.
[     ]
A. are working
B. have been working
C. worked
D. had worked
Although they __________ in love for over ten years, they haven't decided when to get married. 
[      ]
A. have fallen          
B. had fallen      
C. have been    
D. had been
Liu Fang ______ pipa since she was six years old.
[      ]
A. played  
B. was playing
C. had been playing  
D. has been playing
— Where are Jack and Mike?
— They  ____ the furniture you asked for into thehouse.  
[     ]
A. have been carrying          
B. carried    
C. have been carried            
D. were carried
— Do you have any news about Bob?  
— Yeah. We ______ each other quite a lot recently. 
[     ]
A. have been seeing        
B. had been seeing      
C. see      
D. have seen
 0  15446  15454  15460  15464  15470  15472  15476  15482  15484  15490  15496  15500  15502  15506  15512  15514  15520  15524  15526  15530  15532  15536  15538  15540  15541  15542  15544  15545  15546  15548  15550  15554  15556  15560  15562  15566  15572  15574  15580  15584  15586  15590  15596  15602  15604  15610  15614  15616  15622  15626  15632  15640  151629