Little Jack got an A in the exam, and he worked harder and harder________.
[      ]
A. for the moment    
B. at that moment
C. from that moment on  
D. the moment
Xu Beihong is most known________drawing horses________an artist.
[      ]
A. for; as  
B. as; for
C. to; for  
D. to; as
Little Jane was sleepy, so she shook her head and   tried to concentrate________she was doing.  
[    ]

A. on what    
B. on when  
C. with what      
D. with which

We receive ten letters________each day.
[      ]
A. on average    
B. on the average
C. on an average    
D. A, B and C
The employees were asked to concentrate their attention________improving the quality of the products.
[      ]
A. in  
B. to    
C. with  
D. on
________the  English  beginners  in  the  class  have some difficulty with English. but I believe
they will get over it.
[     ]
A. At the moment      
B. For a moment
C. From the moment on    
D. The moment
Michael Jackson's personal doctor may admit the accusation if he can't find any convincing evidence ______.

[     ]

A. to the contrary
B. on the contrary
C. instead
D. on the other hand
At the railway station, themother waved goodbye to her daughter until the train was ____.    
[     ]
A. out of sight 
B. out of reach
C. out of order  
D. out of place
I always take something to read when I go to the doctor's ________ I have to wait.
[     ]
A. in case  
B. so that
C. in order  
D. as if
I'd like to buy a house-modern,comfortable,and _____ in a quiet neighborhood.

[     ]

A. in all
B. above all
C. after all
D. at all
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