Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions from 15 to 26.
The traffic system in the country ______ in the last decade.
A.has upgraded 
B.upgraded                 
C.was upgraded    
D.has been upgraded

A.find
B.bite
C.since
D.drive

We .............. in a big house, but now we in a flat.
A.used to live
B.would live
C.have lived
D.are used to living

Choose the sentence -a, b, c or d - which is closest in meaning to the sentence above.
I couldn’t help laughing when he told me that story.
A.I couldn't resist laughing when he told me that story.
B.I couldn't help him tell that story.
C.I did not laugh when hearing that story.
D.The story he told me not help at all.

We were shocked to hear the news of your ________ .
A.having been fired    
B.to be fired  
C.having fired 
D.to have been fired

My mother was a worker in a factory when she was young. 
A. My mother are used to be a worker in a factory when she was young. 
B. My mother used to working in a factory when she was young. 
C. My mother used to being a worker in a factory when she was young. 
D. My mother used to be a worker in a factory when she was young.

Choose the best answer for the following sentences:
We set off early…………………..we wouldn’t get stuck in the traffic
A.although  
B.  so that   
C.because      
D.  in case

Mark the letter A, B, C, or D on your answer sheet to show the underlined part of question that needs correction. 
Our new product will be put through a number of test before being released to the public.
A.put through
B.test
C.bieng
D.the public

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closet in meaning to each of the following sentences.
I started working here in 2000.
A.It is in 2000 that I had worked here.    
B.I have worked here since 2000.
C.The first time I worked here was since 2000.           
D.I haven’t worked here since 2000.

______(32)
A.prime
B.shape   
C.best        
D.capacity