Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 18 to 22.We all want to live in a clean and green world and breathe pollution free air. For this kind of environment we desperately need a fossil fuel free world. Scientists are toiling hard to come up (18)______ alternative fuels which can replace conventional fuels. One such study was presented at the 237th National Meeting of the American Chemical Society. This study throws interesting light on the first economical, eco-friendly process to (19)______  algae oil into biodiesel fuel. The scientists are quite hopeful that one day America will become independent (20)______  fossil fuels. Ben Wen is the (21)______  researcher and vice president of United Environment and Energy LLC, Horseheads, N.Y. According to him, “This is the first economical way to produce biodiesel from algae oil. It costs much less than conventional processes because you would need a much smaller factory, there (22)______  no water disposal costs, and the process is considerably faster.”
Câu 1: (18)______


A. to        


B. against  


C. with   


D. for
Câu 2: (19)______


A. adapt    


B. transform


C. modify  


D. alter
Câu 3: (20)______


A. on   


B. from 


C. with 


D. of
Câu 4: (21)______


A. lead           


B. top    


C. summit


D. peak
Câu 5: (22)______


A. were    


B. are   


C. had   


D. have

A.
B.
C.
D.

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Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.
Câu 1: We should participate in the movements ______ the natural environment.


A. organizing to conserve


B. organized to conserve


C. organized conserving 


D. which organize to conserve
Câu 2: ______ number of boys were swimming in the lake, but I didn’t know  ______ exact number of them.


A. A/the 


B. The/an 


C. The/the


D. A/an
Câu 3: John forgot ______ his ticket so he was not allowed  ______ the club.


A. brought/enter 


B. bring/entering     


C. bringing/to enter 


D. to bring/to enter
Câu 4: Snow and rain  ______ of nature.


A. are phenomena 


B. is phenomena   


C. is phenomenon   


D. are phenomenon
Câu 5: Her outgoing character contrasts ______ with that of her sister.


A. thoroughly   


B. fully  


C. sharply  


D. coolly
Câu 6: It turned out that we ______ rushed to the airport as the plane was delayed by several hours.


A. hadn’t    


B. should have  


C. mustn’t  


D. needn’t have
Câu 7: When I was a child, I loved to splash through the ______ after rain.


A. pools      


B. puddles  


C. ponds


D. rivers
Câu 8: Learning Spanish isn’t so difficult once you ______.


A. get away with it


B. get off it   


C. get down to it


D. get on it
Câu 9: Staying in a hotel costs ______ renting a room in a dormitory for a week.


A. twice as much as


B. as much as twice   


C. twice more than     


D. twice as
Câu 10: Please don’t  ______ a word of this to anyone else, it’s highly confidential.


A. speak      


B. pass    


C. mutter  


D. breathe
Câu 11: In spite of his abilities, Peter has been ______ overlooked for promotion.


A. repeat     


B. repeatedly  


C. repetitiveness 


D. repetitive
Câu 12: I wish you ______ me a new one instead of having it ______ as you did.


A. had given/repaired


B. gave/to repair 


C. would give/to repair  


D. had given/to be repaired
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B.
C.
D.