Find a mistake in the four underlined parts of the sentence and correct it:
At present, it is estimated that coal accounts for 12 percent of Vietnam’s electricity
generation; although, some expect that this figure will rise to 25 percent in the future.
A. it is estimated
B. accounts for
C. Vietnam’s electricity
D. although

Choose the word that has the underlined part pronounced differently from the rest: 
health                    think                       toothache                       other
A. health                    
B. think                       
C. toothache                       
D. other

Choose a word that has different stress pattern:
firework                  resource                 sponsor                  gradual
A. firework                  
B. resource                 
C. sponsor                  
D. gradual

Choose the best answer for the following sentence:
You ___________ life much easier if you smile more often.
A. would find
B. find
C. will find 
D. have found

Choose one sentence that has the same meaning as the root one:
The film was so boring that we left in the interval. 
A. The film was very boring for us to leave in the interval. 
B. The film was too boring for us to leave in the interval. 
C. It was such a boring film that we left in the interval. 
D. It was so boring film that we left in the interval.

Choose the correct sentence which is built from the words and phrases given:
plastic / three / of / bottles / tent / tons / aluminum / poles / ladders / oxygen /empty / and / cans / also / cleared / were
A. Three tons of tent poles, aluminum ladders, empty oxygen bottles and plastic cans were also cleared.
B. Tent poles, aluminum ladders, empty oxygen bottles were also cleared and three tons of plastic cans.
C. Tent poles, three tons of aluminum ladders and empty oxygen bottles plastic cans were also cleared.
D. Three tons of tent poles, empty oxygen bottles and plastic, aluminum ladders, cans were also cleared.

Choose the best answer for the following sentence:
You can only drive if you’ve got a ____________ license.
A. right
B. precise
C. valid 
D. correct

Choose one sentence that has the same meaning as the root one:
“She hasn’t played the piano for five years.”
A. She doesn’t play the piano five years ago.
B. The last time she played the piano was five years ago.
C. The last time she played the piano five years ago.
D. She played the piano five years.

Choose the word that has the underlined part pronounced differently from the rest:
strange              splash              snack              stand
A. strange              
B. splash              
C. snack              
D. stand

Choose one sentence that has the same meaning as the root one:
The music was composed by Trinh Cong Son. We enjoy listening to it.
A. The music was composed by Trinh Cong Son to whom we enjoy listening.
B. The music which was composed by Trinh Cong Son who v^e enjoy listening to.
C. The music to which we enjoy listening was composed by Trinh Cong Son.
D. We enjoy listening to the music which Trinh Cong Son was composed.