Choose the best answer for the following sentence:
________ she was watering the flowers, it began to rain.
A. While
B. Since
C. Because
D. For

Choose the best answer for the following sentence:
We just rested ___________ a short time. 
A. at               
B. since                 
C. for                
D. in

Choose the best answer for the following sentence:
ESL students from Asia often have great difficulty __________________ some English sounds. 
A. to pronounce               
B.  in pronouncing 
C. pronouncing                
D. B and C are correct

Choose the best answer for the following sentence:
Levin hardly had time to think when, moving more and more rapidly, the oak tree vanished behind the other trees, and he heard the ______________ of the great tree falling upon the others. 
A. strike             
B. collision                
C. crash                   
D. accident

Choose the best answer for the following sentence:
I just want to know what you __________________ at this time tomorrow afternoon. 
A. are going to do             
B. will be doing 
C. are doing               
D. do

Choose the best answer for the following sentence:
One member did not concur ___________ others.
A. about
B. with
C. on
D. over

Choose the best answer for the following sentence:
The company is holding a competition which encourages its employees to think of the best ways to increase its _______________.
A. produce
B. product
C. productivity
D. producer

Choose the best answer for the following sentence:
This cheque ____________ be signed only by the manager of your company. 
A. can 
B. had to           
C. may         
D. must

Choose the best answer for the following sentence:
If you have an old car in your garage (or backyard) and you don't have a cluehow to get rid of it, one way is to donate your car to a(n) _________________.
A. charity              
B. contribution                    
C. donation                    
D. offering

Choose the best answer for the following sentence:
John asked Julie to marry him but she ___________ him down. 
A. turned                    
B. looked                 
C. pushed          
D. broke