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科目： 來源：重慶市期中題 題型：單選題

I_____ violin lessons every two weeks, but I think I'll make it every week from next month.
[     ]
A. am having      
B. have had      
C. have      
D. have been having

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科目： 來源：江西省同步題 題型：單選題

Look at the sweat on her face.She________the house since she got up this morning.
[     ]
A. is cleaning  
B. has been cleaned
C. was cleaning  
D. has been cleaning

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科目： 來源：遼寧省期中題 題型：單選題

—I wonder if you could go with me to the supermarket.
—Don't disturb me. I _____________my experiment report all the morning and haven't finished yet.
[     ]
A. write      
B. was writing      
C. have written    
D. have been writting

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科目： 來源：同步題 題型：單選題

Tom ________ in the library every night over the last three months.
[     ]
A. works  
B. worked
C. has been working  
D. had been working

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科目： 來源：同步題 題型：單選題

We ________ on this project for four hours. Let's have a rest.
[     ]
A. are working  
B. have been working
C. worked  
D. had worked

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科目： 來源：同步題 題型：單選題

Kate ________ on her new novel, which is supposed to come out next month.
[     ]
A. has been working  
B. had worked
C. will be working  
D. was working

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科目： 來源：同步題 題型：單選題

The temperature ________ to minus 3 in London and it is likely to get even colder as the day goes on.
[     ]
A. will have fallen  
B. had fallen
C. has been falling  
D. falls

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科目： 來源：同步題 題型：單選題

The number of foreign students attending Chinese universities ________ rising steadily since 1990.
[     ]
A. is  
B. are
C. has been  
D. have been

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科目： 來源：同步題 題型：單選題

Ever since my brother graduated from the university, he _______ in the present company for 15 years and he is now chief engineer of the company.   
[     ]
A. worked  
B. has been working  
C. is working    
D. works

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科目： 來源：黑龍江省月考題 題型：單選題

— I _____ to get through to her all day, but no one answered the phone.  
— Relax yourself. She will be all right.
[     ]
A. try
B. have tried
C. have been trying
D. tried

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