Choose the best answer for the following sentence:
___________ is a hard cream-colored substance which forms the tusks of elephants. It is valuable and can be used for making carved ornaments.
A. Horn
B. Tooth
C. Ivory
D. Hide

Choose the best answer for the following sentence:
The children __________ all the orange juice yesterday after the heated match! We'll need to get some more. 
A. drunk                
B. have drunk                
C. drink                   
D. had drunk

Choose the best answer for the following sentence:
Do you have ___________________________ idea who could have borrowed your bicycle? 
A. some                 
B. no                 
C. neither           
D. any

Choose the best answer for the following sentence:
If I ___________ you, I’d save some of your lottery winning. 
A. be     
B. am           
C. were              
D. have been

Choose the best answer for the following sentence:
The train ________________ half an hour ago. 
A. has been leaving    
B. left       
C. has left     
D. had left

Choose the best answer for the following sentence:
''Where's Jack?'' ''He _______________ his girlfriend at the station. She ________________  at 12 o'clock.''
A. meets - is coming     
B. is meeting - comes  
C. meets - comes              
D. is meeting - is coming

Choose the best answer for the following sentence:
________________ energy in a tornado is enormous. 
A. The                  
B. A                   
C. An               
D. Some

Choose the best answer for the following sentence:
While her husband was in the army, Mary _____________ to him twice a week.
A. was writing             
B. wrote              
C. was written             
D. had written

Choose the best answer for the following sentence:
According to this newspaper, John is said _______________ a new record for the longjump. 
A. to have established                
B. establishing 
C. to establish                   
D. established

Choose the best answer for the following sentence:
The writer can’t see Aunt Lucy __________. He’s having breakfast. 
A. still 
B. now 
C. often  
D. always